diff --git a/src/freebsdlike.rs b/src/freebsdlike.rs
deleted file mode 100644
index a5c228cdfd0a5ed24adad8d2dd62a7190b02fc00..0000000000000000000000000000000000000000
--- a/src/freebsdlike.rs
+++ /dev/null
@@ -1,823 +0,0 @@
-
-    #[cfg(target_os = "freebsd")]
-    pub mod os {
-        pub mod common {
-            pub mod posix01 {
-                use types::common::c95::{c_void};
-                use types::os::arch::c95::{c_char, c_int, size_t,
-                                                 time_t, suseconds_t, c_long};
-                use types::os::arch::c99::{uintptr_t};
-
-                pub type pthread_t = uintptr_t;
-                pub type rlim_t = i64;
-
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct glob_t {
-                    pub gl_pathc:  size_t,
-                    __unused1: size_t,
-                    pub gl_offs:   size_t,
-                    __unused2: c_int,
-                    pub gl_pathv:  *mut *mut c_char,
-
-                    __unused3: *mut c_void,
-
-                    __unused4: *mut c_void,
-                    __unused5: *mut c_void,
-                    __unused6: *mut c_void,
-                    __unused7: *mut c_void,
-                    __unused8: *mut c_void,
-                }
-
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct timeval {
-                    pub tv_sec: time_t,
-                    pub tv_usec: suseconds_t,
-                }
-
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct timespec {
-                    pub tv_sec: time_t,
-                    pub tv_nsec: c_long,
-                }
-
-                pub enum timezone {}
-
-                pub type sighandler_t = size_t;
-
-                #[repr(C)]
-                #[derive(Copy, Clone)]
-                pub struct rlimit {
-                    pub rlim_cur: rlim_t,
-                    pub rlim_max: rlim_t,
-                }
-            }
-
-            pub mod bsd43 {
-                use types::os::common::posix01::timeval;
-                use types::os::arch::c95::c_long;
-                #[repr(C)]
-                #[derive(Copy, Clone)]
-                pub struct rusage {
-                    pub ru_utime: timeval,
-                    pub ru_stime: timeval,
-                    pub ru_maxrss: c_long,
-                    pub ru_ixrss: c_long,
-                    pub ru_idrss: c_long,
-                    pub ru_isrss: c_long,
-                    pub ru_minflt: c_long,
-                    pub ru_majflt: c_long,
-                    pub ru_nswap: c_long,
-                    pub ru_inblock: c_long,
-                    pub ru_oublock: c_long,
-                    pub ru_msgsnd: c_long,
-                    pub ru_msgrcv: c_long,
-                    pub ru_nsignals: c_long,
-                    pub ru_nvcsw: c_long,
-                    pub ru_nivcsw: c_long
-                }
-            }
-
-            pub mod bsd44 {
-                use types::common::c95::{c_void};
-                use types::os::arch::c95::{c_char, c_int, c_uint};
-
-                pub type socklen_t = u32;
-                pub type sa_family_t = u8;
-                pub type in_port_t = u16;
-                pub type in_addr_t = u32;
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct sockaddr {
-                    pub sa_len: u8,
-                    pub sa_family: sa_family_t,
-                    pub sa_data: [u8; 14],
-                }
-                #[repr(C)]
-                #[derive(Copy)] pub struct sockaddr_storage {
-                    pub ss_len: u8,
-                    pub ss_family: sa_family_t,
-                    __ss_pad1: [u8; 6],
-                    __ss_align: i64,
-                    __ss_pad2: [u8; 112],
-                }
-                impl Clone for sockaddr_storage {
-                    fn clone(&self) -> sockaddr_storage { *self }
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct sockaddr_in {
-                    pub sin_len: u8,
-                    pub sin_family: sa_family_t,
-                    pub sin_port: in_port_t,
-                    pub sin_addr: in_addr,
-                    pub sin_zero: [u8; 8],
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct in_addr {
-                    pub s_addr: in_addr_t,
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct sockaddr_in6 {
-                    pub sin6_len: u8,
-                    pub sin6_family: sa_family_t,
-                    pub sin6_port: in_port_t,
-                    pub sin6_flowinfo: u32,
-                    pub sin6_addr: in6_addr,
-                    pub sin6_scope_id: u32,
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct in6_addr {
-                    pub s6_addr: [u16; 8],
-                    __align: [u32; 0],
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct ip_mreq {
-                    pub imr_multiaddr: in_addr,
-                    pub imr_interface: in_addr,
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct ipv6_mreq {
-                    pub ipv6mr_multiaddr: in6_addr,
-                    pub ipv6mr_interface: c_uint,
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct addrinfo {
-                    pub ai_flags: c_int,
-                    pub ai_family: c_int,
-                    pub ai_socktype: c_int,
-                    pub ai_protocol: c_int,
-                    pub ai_addrlen: socklen_t,
-                    pub ai_canonname: *mut c_char,
-                    pub ai_addr: *mut sockaddr,
-                    pub ai_next: *mut addrinfo,
-                }
-                #[repr(C)]
-                #[derive(Copy)] pub struct sockaddr_un {
-                    pub sun_len: u8,
-                    pub sun_family: sa_family_t,
-                    pub sun_path: [c_char; 104]
-                }
-                impl Clone for sockaddr_un {
-                    fn clone(&self) -> sockaddr_un { *self }
-                }
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct ifaddrs {
-                    pub ifa_next: *mut ifaddrs,
-                    pub ifa_name: *mut c_char,
-                    pub ifa_flags: c_uint,
-                    pub ifa_addr: *mut sockaddr,
-                    pub ifa_netmask: *mut sockaddr,
-                    pub ifa_dstaddr: *mut sockaddr,
-                    pub ifa_data: *mut c_void
-                }
-
-
-            }
-        }
-
-        #[cfg(target_arch = "x86")]
-        pub mod arch {
-            pub mod c95 {
-                pub type c_char = i8;
-                pub type c_schar = i8;
-                pub type c_uchar = u8;
-                pub type c_short = i16;
-                pub type c_ushort = u16;
-                pub type c_int = i32;
-                pub type c_uint = u32;
-                pub type c_long = i32;
-                pub type c_ulong = u32;
-                pub type c_float = f32;
-                pub type c_double = f64;
-                pub type size_t = u32;
-                pub type ptrdiff_t = i32;
-                pub type clock_t = i32;
-                pub type time_t = i32;
-                pub type suseconds_t = i32;
-                pub type wchar_t = i32;
-            }
-            pub mod c99 {
-                pub type c_longlong = i64;
-                pub type c_ulonglong = u64;
-                pub type intptr_t = i32;
-                pub type uintptr_t = u32;
-                pub type intmax_t = i64;
-                pub type uintmax_t = u64;
-            }
-            pub mod posix88 {
-                pub type off_t = i64;
-                pub type dev_t = u32;
-                pub type ino_t = u32;
-                pub type pid_t = i32;
-                pub type uid_t = u32;
-                pub type gid_t = u32;
-                pub type useconds_t = u32;
-                pub type mode_t = u16;
-                pub type ssize_t = i32;
-            }
-            pub mod posix01 {
-                use types::common::c95::{c_void};
-                use types::common::c99::{uint32_t, int32_t};
-                use types::os::arch::c95::{c_long, time_t};
-                use types::os::arch::posix88::{dev_t, gid_t, ino_t};
-                use types::os::arch::posix88::{mode_t, off_t};
-                use types::os::arch::posix88::{uid_t};
-
-                pub type nlink_t = u16;
-                pub type blksize_t = u32;
-                pub type blkcnt_t = i64;
-                pub type fflags_t = u32;
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct stat {
-                    pub st_dev: dev_t,
-                    pub st_ino: ino_t,
-                    pub st_mode: mode_t,
-                    pub st_nlink: nlink_t,
-                    pub st_uid: uid_t,
-                    pub st_gid: gid_t,
-                    pub st_rdev: dev_t,
-                    pub st_atime: time_t,
-                    pub st_atime_nsec: c_long,
-                    pub st_mtime: time_t,
-                    pub st_mtime_nsec: c_long,
-                    pub st_ctime: time_t,
-                    pub st_ctime_nsec: c_long,
-                    pub st_size: off_t,
-                    pub st_blocks: blkcnt_t,
-                    pub st_blksize: blksize_t,
-                    pub st_flags: fflags_t,
-                    pub st_gen: uint32_t,
-                    pub st_lspare: int32_t,
-                    pub st_birthtime: time_t,
-                    pub st_birthtime_nsec: c_long,
-                    __unused: [u8; 8],
-                }
-
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct utimbuf {
-                    pub actime: time_t,
-                    pub modtime: time_t,
-                }
-
-                pub type pthread_attr_t = *mut c_void;
-            }
-            pub mod posix08 {
-            }
-            pub mod bsd44 {
-            }
-            pub mod extra {
-            }
-        }
-
-        #[cfg(target_arch = "x86_64")]
-        pub mod arch {
-            pub mod c95 {
-                pub type c_char = i8;
-                pub type c_schar = i8;
-                pub type c_uchar = u8;
-                pub type c_short = i16;
-                pub type c_ushort = u16;
-                pub type c_int = i32;
-                pub type c_uint = u32;
-                pub type c_long = i64;
-                pub type c_ulong = u64;
-                pub type c_float = f32;
-                pub type c_double = f64;
-                pub type size_t = u64;
-                pub type ptrdiff_t = i64;
-                pub type clock_t = i32;
-                pub type time_t = i64;
-                pub type suseconds_t = i64;
-                pub type wchar_t = i32;
-            }
-            pub mod c99 {
-                pub type c_longlong = i64;
-                pub type c_ulonglong = u64;
-                pub type intptr_t = i64;
-                pub type uintptr_t = u64;
-                pub type intmax_t = i64;
-                pub type uintmax_t = u64;
-            }
-            pub mod posix88 {
-                pub type off_t = i64;
-                pub type dev_t = u32;
-                pub type ino_t = u32;
-                pub type pid_t = i32;
-                pub type uid_t = u32;
-                pub type gid_t = u32;
-                pub type useconds_t = u32;
-                pub type mode_t = u16;
-                pub type ssize_t = i64;
-            }
-            pub mod posix01 {
-                use types::common::c95::{c_void};
-                use types::common::c99::{uint32_t, int32_t};
-                use types::os::arch::c95::{c_long, time_t};
-                use types::os::arch::posix88::{dev_t, gid_t, ino_t};
-                use types::os::arch::posix88::{mode_t, off_t};
-                use types::os::arch::posix88::{uid_t};
-
-                pub type nlink_t = u16;
-                pub type blksize_t = u32;
-                pub type blkcnt_t = i64;
-                pub type fflags_t = u32;
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct stat {
-                    pub st_dev: dev_t,
-                    pub st_ino: ino_t,
-                    pub st_mode: mode_t,
-                    pub st_nlink: nlink_t,
-                    pub st_uid: uid_t,
-                    pub st_gid: gid_t,
-                    pub st_rdev: dev_t,
-                    pub st_atime: time_t,
-                    pub st_atime_nsec: c_long,
-                    pub st_mtime: time_t,
-                    pub st_mtime_nsec: c_long,
-                    pub st_ctime: time_t,
-                    pub st_ctime_nsec: c_long,
-                    pub st_size: off_t,
-                    pub st_blocks: blkcnt_t,
-                    pub st_blksize: blksize_t,
-                    pub st_flags: fflags_t,
-                    pub st_gen: uint32_t,
-                    pub st_lspare: int32_t,
-                    pub st_birthtime: time_t,
-                    pub st_birthtime_nsec: c_long,
-                }
-
-                #[repr(C)]
-                #[derive(Copy, Clone)] pub struct utimbuf {
-                    pub actime: time_t,
-                    pub modtime: time_t,
-                }
-
-                pub type pthread_attr_t = *mut c_void;
-            }
-            pub mod posix08 {
-            }
-            pub mod bsd44 {
-            }
-            pub mod extra {
-            }
-        }
-    }
-    #[cfg(any(target_os = "freebsd",
-              target_os = "dragonfly"))]
-    pub mod os {
-        pub mod c95 {
-            use types::os::arch::c95::{c_int, c_uint};
-
-            pub const EXIT_FAILURE : c_int = 1;
-            pub const EXIT_SUCCESS : c_int = 0;
-            pub const RAND_MAX : c_int = 2147483647;
-            pub const EOF : c_int = -1;
-            pub const SEEK_SET : c_int = 0;
-            pub const SEEK_CUR : c_int = 1;
-            pub const SEEK_END : c_int = 2;
-            pub const _IOFBF : c_int = 0;
-            pub const _IONBF : c_int = 2;
-            pub const _IOLBF : c_int = 1;
-            pub const BUFSIZ : c_uint = 1024;
-            pub const FOPEN_MAX : c_uint = 20;
-            pub const FILENAME_MAX : c_uint = 1024;
-            pub const L_tmpnam : c_uint = 1024;
-            pub const TMP_MAX : c_uint = 308915776;
-        }
-        pub mod c99 {
-        }
-        pub mod posix88 {
-            use types::common::c95::c_void;
-            use types::os::arch::c95::c_int;
-            use types::os::arch::posix88::mode_t;
-
-            pub const O_RDONLY : c_int = 0;
-            pub const O_WRONLY : c_int = 1;
-            pub const O_RDWR : c_int = 2;
-            pub const O_APPEND : c_int = 8;
-            pub const O_CREAT : c_int = 512;
-            pub const O_EXCL : c_int = 2048;
-            pub const O_NOCTTY : c_int = 32768;
-            pub const O_TRUNC : c_int = 1024;
-            pub const S_IFIFO : mode_t = 4096;
-            pub const S_IFCHR : mode_t = 8192;
-            pub const S_IFBLK : mode_t = 24576;
-            pub const S_IFDIR : mode_t = 16384;
-            pub const S_IFREG : mode_t = 32768;
-            pub const S_IFLNK : mode_t = 40960;
-            pub const S_IFSOCK : mode_t = 49152;
-            pub const S_IFMT : mode_t = 61440;
-            pub const S_IEXEC : mode_t = 64;
-            pub const S_IWRITE : mode_t = 128;
-            pub const S_IREAD : mode_t = 256;
-            pub const S_IRWXU : mode_t = 448;
-            pub const S_IXUSR : mode_t = 64;
-            pub const S_IWUSR : mode_t = 128;
-            pub const S_IRUSR : mode_t = 256;
-            pub const S_IRWXG : mode_t = 56;
-            pub const S_IXGRP : mode_t = 8;
-            pub const S_IWGRP : mode_t = 16;
-            pub const S_IRGRP : mode_t = 32;
-            pub const S_IRWXO : mode_t = 7;
-            pub const S_IXOTH : mode_t = 1;
-            pub const S_IWOTH : mode_t = 2;
-            pub const S_IROTH : mode_t = 4;
-            pub const F_OK : c_int = 0;
-            pub const R_OK : c_int = 4;
-            pub const W_OK : c_int = 2;
-            pub const X_OK : c_int = 1;
-            pub const STDIN_FILENO : c_int = 0;
-            pub const STDOUT_FILENO : c_int = 1;
-            pub const STDERR_FILENO : c_int = 2;
-            pub const F_LOCK : c_int = 1;
-            pub const F_TEST : c_int = 3;
-            pub const F_TLOCK : c_int = 2;
-            pub const F_ULOCK : c_int = 0;
-            pub const SIGHUP : c_int = 1;
-            pub const SIGINT : c_int = 2;
-            pub const SIGQUIT : c_int = 3;
-            pub const SIGILL : c_int = 4;
-            pub const SIGABRT : c_int = 6;
-            pub const SIGFPE : c_int = 8;
-            pub const SIGKILL : c_int = 9;
-            pub const SIGSEGV : c_int = 11;
-            pub const SIGPIPE : c_int = 13;
-            pub const SIGALRM : c_int = 14;
-            pub const SIGTERM : c_int = 15;
-
-            pub const PROT_NONE : c_int = 0;
-            pub const PROT_READ : c_int = 1;
-            pub const PROT_WRITE : c_int = 2;
-            pub const PROT_EXEC : c_int = 4;
-
-            pub const MAP_FILE : c_int = 0x0000;
-            pub const MAP_SHARED : c_int = 0x0001;
-            pub const MAP_PRIVATE : c_int = 0x0002;
-            pub const MAP_FIXED : c_int = 0x0010;
-            pub const MAP_ANON : c_int = 0x1000;
-
-            pub const MAP_FAILED : *mut c_void = !0 as *mut c_void;
-
-            pub const MCL_CURRENT : c_int = 0x0001;
-            pub const MCL_FUTURE : c_int = 0x0002;
-
-            pub const MS_SYNC : c_int = 0x0000;
-            pub const MS_ASYNC : c_int = 0x0001;
-            pub const MS_INVALIDATE : c_int = 0x0002;
-
-            pub const EPERM : c_int = 1;
-            pub const ENOENT : c_int = 2;
-            pub const ESRCH : c_int = 3;
-            pub const EINTR : c_int = 4;
-            pub const EIO : c_int = 5;
-            pub const ENXIO : c_int = 6;
-            pub const E2BIG : c_int = 7;
-            pub const ENOEXEC : c_int = 8;
-            pub const EBADF : c_int = 9;
-            pub const ECHILD : c_int = 10;
-            pub const EDEADLK : c_int = 11;
-            pub const ENOMEM : c_int = 12;
-            pub const EACCES : c_int = 13;
-            pub const EFAULT : c_int = 14;
-            pub const ENOTBLK : c_int = 15;
-            pub const EBUSY : c_int = 16;
-            pub const EEXIST : c_int = 17;
-            pub const EXDEV : c_int = 18;
-            pub const ENODEV : c_int = 19;
-            pub const ENOTDIR : c_int = 20;
-            pub const EISDIR : c_int = 21;
-            pub const EINVAL : c_int = 22;
-            pub const ENFILE : c_int = 23;
-            pub const EMFILE : c_int = 24;
-            pub const ENOTTY : c_int = 25;
-            pub const ETXTBSY : c_int = 26;
-            pub const EFBIG : c_int = 27;
-            pub const ENOSPC : c_int = 28;
-            pub const ESPIPE : c_int = 29;
-            pub const EROFS : c_int = 30;
-            pub const EMLINK : c_int = 31;
-            pub const EPIPE : c_int = 32;
-            pub const EDOM : c_int = 33;
-            pub const ERANGE : c_int = 34;
-            pub const EAGAIN : c_int = 35;
-            pub const EWOULDBLOCK : c_int = 35;
-            pub const EINPROGRESS : c_int = 36;
-            pub const EALREADY : c_int = 37;
-            pub const ENOTSOCK : c_int = 38;
-            pub const EDESTADDRREQ : c_int = 39;
-            pub const EMSGSIZE : c_int = 40;
-            pub const EPROTOTYPE : c_int = 41;
-            pub const ENOPROTOOPT : c_int = 42;
-            pub const EPROTONOSUPPORT : c_int = 43;
-            pub const ESOCKTNOSUPPORT : c_int = 44;
-            pub const EOPNOTSUPP : c_int = 45;
-            pub const EPFNOSUPPORT : c_int = 46;
-            pub const EAFNOSUPPORT : c_int = 47;
-            pub const EADDRINUSE : c_int = 48;
-            pub const EADDRNOTAVAIL : c_int = 49;
-            pub const ENETDOWN : c_int = 50;
-            pub const ENETUNREACH : c_int = 51;
-            pub const ENETRESET : c_int = 52;
-            pub const ECONNABORTED : c_int = 53;
-            pub const ECONNRESET : c_int = 54;
-            pub const ENOBUFS : c_int = 55;
-            pub const EISCONN : c_int = 56;
-            pub const ENOTCONN : c_int = 57;
-            pub const ESHUTDOWN : c_int = 58;
-            pub const ETOOMANYREFS : c_int = 59;
-            pub const ETIMEDOUT : c_int = 60;
-            pub const ECONNREFUSED : c_int = 61;
-            pub const ELOOP : c_int = 62;
-            pub const ENAMETOOLONG : c_int = 63;
-            pub const EHOSTDOWN : c_int = 64;
-            pub const EHOSTUNREACH : c_int = 65;
-            pub const ENOTEMPTY : c_int = 66;
-            pub const EPROCLIM : c_int = 67;
-            pub const EUSERS : c_int = 68;
-            pub const EDQUOT : c_int = 69;
-            pub const ESTALE : c_int = 70;
-            pub const EREMOTE : c_int = 71;
-            pub const EBADRPC : c_int = 72;
-            pub const ERPCMISMATCH : c_int = 73;
-            pub const EPROGUNAVAIL : c_int = 74;
-            pub const EPROGMISMATCH : c_int = 75;
-            pub const EPROCUNAVAIL : c_int = 76;
-            pub const ENOLCK : c_int = 77;
-            pub const ENOSYS : c_int = 78;
-            pub const EFTYPE : c_int = 79;
-            pub const EAUTH : c_int = 80;
-            pub const ENEEDAUTH : c_int = 81;
-            pub const EIDRM : c_int = 82;
-            pub const ENOMSG : c_int = 83;
-            pub const EOVERFLOW : c_int = 84;
-            pub const ECANCELED : c_int = 85;
-            pub const EILSEQ : c_int = 86;
-            pub const ENOATTR : c_int = 87;
-            pub const EDOOFUS : c_int = 88;
-            pub const EBADMSG : c_int = 89;
-            pub const EMULTIHOP : c_int = 90;
-            pub const ENOLINK : c_int = 91;
-            pub const EPROTO : c_int = 92;
-            pub const ENOMEDIUM : c_int = 93;
-            pub const EUNUSED94 : c_int = 94;
-            pub const EUNUSED95 : c_int = 95;
-            pub const EUNUSED96 : c_int = 96;
-            pub const EUNUSED97 : c_int = 97;
-            pub const EUNUSED98 : c_int = 98;
-            pub const EASYNC : c_int = 99;
-            pub const ELAST : c_int = 99;
-        }
-        pub mod posix01 {
-            use types::os::arch::c95::{c_int, size_t};
-            use types::os::common::posix01::rlim_t;
-
-            pub const F_DUPFD : c_int = 0;
-            pub const F_GETFD : c_int = 1;
-            pub const F_SETFD : c_int = 2;
-            pub const F_GETFL : c_int = 3;
-            pub const F_SETFL : c_int = 4;
-
-            pub const SIGTRAP : c_int = 5;
-            pub const SIG_IGN: size_t = 1;
-
-            pub const GLOB_APPEND   : c_int = 0x0001;
-            pub const GLOB_DOOFFS   : c_int = 0x0002;
-            pub const GLOB_ERR      : c_int = 0x0004;
-            pub const GLOB_MARK     : c_int = 0x0008;
-            pub const GLOB_NOCHECK  : c_int = 0x0010;
-            pub const GLOB_NOSORT   : c_int = 0x0020;
-            pub const GLOB_NOESCAPE : c_int = 0x2000;
-
-            pub const GLOB_NOSPACE  : c_int = -1;
-            pub const GLOB_ABORTED  : c_int = -2;
-            pub const GLOB_NOMATCH  : c_int = -3;
-
-            pub const POSIX_MADV_NORMAL : c_int = 0;
-            pub const POSIX_MADV_RANDOM : c_int = 1;
-            pub const POSIX_MADV_SEQUENTIAL : c_int = 2;
-            pub const POSIX_MADV_WILLNEED : c_int = 3;
-            pub const POSIX_MADV_DONTNEED : c_int = 4;
-
-            pub const _SC_IOV_MAX : c_int = 56;
-            pub const _SC_GETGR_R_SIZE_MAX : c_int = 70;
-            pub const _SC_GETPW_R_SIZE_MAX : c_int = 71;
-            pub const _SC_LOGIN_NAME_MAX : c_int = 73;
-            pub const _SC_MQ_PRIO_MAX : c_int = 75;
-            pub const _SC_THREAD_ATTR_STACKADDR : c_int = 82;
-            pub const _SC_THREAD_ATTR_STACKSIZE : c_int = 83;
-            pub const _SC_THREAD_DESTRUCTOR_ITERATIONS : c_int = 85;
-            pub const _SC_THREAD_KEYS_MAX : c_int = 86;
-            pub const _SC_THREAD_PRIO_INHERIT : c_int = 87;
-            pub const _SC_THREAD_PRIO_PROTECT : c_int = 88;
-            pub const _SC_THREAD_PRIORITY_SCHEDULING : c_int = 89;
-            pub const _SC_THREAD_PROCESS_SHARED : c_int = 90;
-            pub const _SC_THREAD_SAFE_FUNCTIONS : c_int = 91;
-            pub const _SC_THREAD_STACK_MIN : c_int = 93;
-            pub const _SC_THREAD_THREADS_MAX : c_int = 94;
-            pub const _SC_THREADS : c_int = 96;
-            pub const _SC_TTY_NAME_MAX : c_int = 101;
-            pub const _SC_ATEXIT_MAX : c_int = 107;
-            pub const _SC_XOPEN_CRYPT : c_int = 108;
-            pub const _SC_XOPEN_ENH_I18N : c_int = 109;
-            pub const _SC_XOPEN_LEGACY : c_int = 110;
-            pub const _SC_XOPEN_REALTIME : c_int = 111;
-            pub const _SC_XOPEN_REALTIME_THREADS : c_int = 112;
-            pub const _SC_XOPEN_SHM : c_int = 113;
-            pub const _SC_XOPEN_UNIX : c_int = 115;
-            pub const _SC_XOPEN_VERSION : c_int = 116;
-            pub const _SC_XOPEN_XCU_VERSION : c_int = 117;
-
-            pub const PTHREAD_CREATE_JOINABLE: c_int = 0;
-            pub const PTHREAD_CREATE_DETACHED: c_int = 1;
-
-            #[cfg(target_arch = "arm")]
-            pub const PTHREAD_STACK_MIN: size_t = 4096;
-
-            #[cfg(all(target_os = "freebsd",
-                      any(target_arch = "mips",
-                          target_arch = "mipsel",
-                          target_arch = "x86",
-                          target_arch = "x86_64")))]
-            pub const PTHREAD_STACK_MIN: size_t = 2048;
-
-            #[cfg(target_os = "dragonfly")]
-            pub const PTHREAD_STACK_MIN: size_t = 1024;
-
-            pub const CLOCK_REALTIME: c_int = 0;
-            pub const CLOCK_MONOTONIC: c_int = 4;
-
-            pub const RLIMIT_CPU: c_int = 0;
-            pub const RLIMIT_FSIZE: c_int = 1;
-            pub const RLIMIT_DATA: c_int = 2;
-            pub const RLIMIT_STACK: c_int = 3;
-            pub const RLIMIT_CORE: c_int = 4;
-            pub const RLIMIT_RSS: c_int = 5;
-            pub const RLIMIT_MEMLOCK: c_int = 6;
-            pub const RLIMIT_NPROC: c_int = 7;
-            pub const RLIMIT_NOFILE: c_int = 8;
-            pub const RLIMIT_SBSIZE: c_int = 9;
-            pub const RLIMIT_VMEM: c_int = 10;
-            pub const RLIMIT_AS: c_int = RLIMIT_VMEM;
-            pub const RLIMIT_NPTS: c_int = 11;
-            pub const RLIMIT_SWAP: c_int = 12;
-            pub const RLIMIT_KQUEUES: c_int = 13;
-
-            pub const RLIM_NLIMITS: rlim_t = 14;
-            pub const RLIM_INFINITY: rlim_t = 0x7fff_ffff_ffff_ffff;
-
-            pub const RUSAGE_SELF: c_int = 0;
-            pub const RUSAGE_CHILDREN: c_int = -1;
-            pub const RUSAGE_THREAD: c_int = 1;
-        }
-        pub mod posix08 {
-        }
-        pub mod bsd44 {
-            use types::os::arch::c95::c_int;
-
-            pub const MADV_NORMAL : c_int = 0;
-            pub const MADV_RANDOM : c_int = 1;
-            pub const MADV_SEQUENTIAL : c_int = 2;
-            pub const MADV_WILLNEED : c_int = 3;
-            pub const MADV_DONTNEED : c_int = 4;
-            pub const MADV_FREE : c_int = 5;
-            pub const MADV_NOSYNC : c_int = 6;
-            pub const MADV_AUTOSYNC : c_int = 7;
-            pub const MADV_NOCORE : c_int = 8;
-            pub const MADV_CORE : c_int = 9;
-            pub const MADV_PROTECT : c_int = 10;
-
-            pub const MINCORE_INCORE : c_int =  0x1;
-            pub const MINCORE_REFERENCED : c_int = 0x2;
-            pub const MINCORE_MODIFIED : c_int = 0x4;
-            pub const MINCORE_REFERENCED_OTHER : c_int = 0x8;
-            pub const MINCORE_MODIFIED_OTHER : c_int = 0x10;
-            pub const MINCORE_SUPER : c_int = 0x20;
-
-            pub const AF_INET: c_int = 2;
-            pub const AF_INET6: c_int = 28;
-            pub const AF_UNIX: c_int = 1;
-            pub const SOCK_STREAM: c_int = 1;
-            pub const SOCK_DGRAM: c_int = 2;
-            pub const SOCK_RAW: c_int = 3;
-            pub const IPPROTO_TCP: c_int = 6;
-            pub const IPPROTO_IP: c_int = 0;
-            pub const IPPROTO_IPV6: c_int = 41;
-            pub const IP_MULTICAST_TTL: c_int = 10;
-            pub const IP_MULTICAST_LOOP: c_int = 11;
-            pub const IP_TTL: c_int = 4;
-            pub const IP_HDRINCL: c_int = 2;
-            pub const IP_ADD_MEMBERSHIP: c_int = 12;
-            pub const IP_DROP_MEMBERSHIP: c_int = 13;
-            pub const IPV6_ADD_MEMBERSHIP: c_int = 12;
-            pub const IPV6_DROP_MEMBERSHIP: c_int = 13;
-
-            pub const TCP_NODELAY: c_int = 1;
-            pub const TCP_KEEPIDLE: c_int = 256;
-            pub const SOL_SOCKET: c_int = 0xffff;
-            pub const SO_DEBUG: c_int = 0x01;
-            pub const SO_ACCEPTCONN: c_int = 0x0002;
-            pub const SO_REUSEADDR: c_int = 0x0004;
-            pub const SO_KEEPALIVE: c_int = 0x0008;
-            pub const SO_DONTROUTE: c_int = 0x0010;
-            pub const SO_BROADCAST: c_int = 0x0020;
-            pub const SO_USELOOPBACK: c_int = 0x0040;
-            pub const SO_LINGER: c_int = 0x0080;
-            pub const SO_OOBINLINE: c_int = 0x0100;
-            pub const SO_REUSEPORT: c_int = 0x0200;
-            pub const SO_SNDBUF: c_int = 0x1001;
-            pub const SO_RCVBUF: c_int = 0x1002;
-            pub const SO_SNDLOWAT: c_int = 0x1003;
-            pub const SO_RCVLOWAT: c_int = 0x1004;
-            pub const SO_SNDTIMEO: c_int = 0x1005;
-            pub const SO_RCVTIMEO: c_int = 0x1006;
-            pub const SO_ERROR: c_int = 0x1007;
-            pub const SO_TYPE: c_int = 0x1008;
-
-            pub const IFF_LOOPBACK: c_int = 0x8;
-
-            pub const SHUT_RD: c_int = 0;
-            pub const SHUT_WR: c_int = 1;
-            pub const SHUT_RDWR: c_int = 2;
-
-            pub const LOCK_SH: c_int = 1;
-            pub const LOCK_EX: c_int = 2;
-            pub const LOCK_NB: c_int = 4;
-            pub const LOCK_UN: c_int = 8;
-        }
-        pub mod extra {
-            use types::os::arch::c95::c_int;
-
-            pub const O_SYNC : c_int = 128;
-            pub const O_NONBLOCK : c_int = 4;
-            pub const CTL_KERN: c_int = 1;
-            pub const KERN_PROC: c_int = 14;
-            #[cfg(target_os = "freebsd")]
-            pub const KERN_PROC_PATHNAME: c_int = 12;
-            #[cfg(target_os = "dragonfly")]
-            pub const KERN_PROC_PATHNAME: c_int = 9;
-
-            pub const MAP_COPY : c_int = 0x0002;
-            pub const MAP_RENAME : c_int = 0x0020;
-            pub const MAP_NORESERVE : c_int = 0x0040;
-            pub const MAP_HASSEMAPHORE : c_int = 0x0200;
-            pub const MAP_STACK : c_int = 0x0400;
-            pub const MAP_NOSYNC : c_int = 0x0800;
-            pub const MAP_NOCORE : c_int = 0x020000;
-
-            pub const IPPROTO_RAW : c_int = 255;
-        }
-        pub mod sysconf {
-            use types::os::arch::c95::c_int;
-
-            pub const _SC_ARG_MAX : c_int = 1;
-            pub const _SC_CHILD_MAX : c_int = 2;
-            pub const _SC_CLK_TCK : c_int = 3;
-            pub const _SC_NGROUPS_MAX : c_int = 4;
-            pub const _SC_OPEN_MAX : c_int = 5;
-            pub const _SC_JOB_CONTROL : c_int = 6;
-            pub const _SC_SAVED_IDS : c_int = 7;
-            pub const _SC_VERSION : c_int = 8;
-            pub const _SC_BC_BASE_MAX : c_int = 9;
-            pub const _SC_BC_DIM_MAX : c_int = 10;
-            pub const _SC_BC_SCALE_MAX : c_int = 11;
-            pub const _SC_BC_STRING_MAX : c_int = 12;
-            pub const _SC_COLL_WEIGHTS_MAX : c_int = 13;
-            pub const _SC_EXPR_NEST_MAX : c_int = 14;
-            pub const _SC_LINE_MAX : c_int = 15;
-            pub const _SC_RE_DUP_MAX : c_int = 16;
-            pub const _SC_2_VERSION : c_int = 17;
-            pub const _SC_2_C_BIND : c_int = 18;
-            pub const _SC_2_C_DEV : c_int = 19;
-            pub const _SC_2_CHAR_TERM : c_int = 20;
-            pub const _SC_2_FORT_DEV : c_int = 21;
-            pub const _SC_2_FORT_RUN : c_int = 22;
-            pub const _SC_2_LOCALEDEF : c_int = 23;
-            pub const _SC_2_SW_DEV : c_int = 24;
-            pub const _SC_2_UPE : c_int = 25;
-            pub const _SC_STREAM_MAX : c_int = 26;
-            pub const _SC_TZNAME_MAX : c_int = 27;
-            pub const _SC_ASYNCHRONOUS_IO : c_int = 28;
-            pub const _SC_MAPPED_FILES : c_int = 29;
-            pub const _SC_MEMLOCK : c_int = 30;
-            pub const _SC_MEMLOCK_RANGE : c_int = 31;
-            pub const _SC_MEMORY_PROTECTION : c_int = 32;
-            pub const _SC_MESSAGE_PASSING : c_int = 33;
-            pub const _SC_PRIORITIZED_IO : c_int = 34;
-            pub const _SC_PRIORITY_SCHEDULING : c_int = 35;
-            pub const _SC_REALTIME_SIGNALS : c_int = 36;
-            pub const _SC_SEMAPHORES : c_int = 37;
-            pub const _SC_FSYNC : c_int = 38;
-            pub const _SC_SHARED_MEMORY_OBJECTS : c_int = 39;
-            pub const _SC_SYNCHRONIZED_IO : c_int = 40;
-            pub const _SC_TIMERS : c_int = 41;
-            pub const _SC_AIO_LISTIO_MAX : c_int = 42;
-            pub const _SC_AIO_MAX : c_int = 43;
-            pub const _SC_AIO_PRIO_DELTA_MAX : c_int = 44;
-            pub const _SC_DELAYTIMER_MAX : c_int = 45;
-            pub const _SC_MQ_OPEN_MAX : c_int = 46;
-            pub const _SC_PAGESIZE : c_int = 47;
-            pub const _SC_RTSIG_MAX : c_int = 48;
-            pub const _SC_SEM_NSEMS_MAX : c_int = 49;
-            pub const _SC_SEM_VALUE_MAX : c_int = 50;
-            pub const _SC_SIGQUEUE_MAX : c_int = 51;
-            pub const _SC_TIMER_MAX : c_int = 52;
-        }
-    }
diff --git a/src/freebsdlike/dragonfly.rs b/src/freebsdlike/dragonfly.rs
new file mode 100644
index 0000000000000000000000000000000000000000..a677d1a5215203d1325667749132f53d387274c5
--- /dev/null
+++ b/src/freebsdlike/dragonfly.rs
@@ -0,0 +1,2 @@
+pub const PTHREAD_STACK_MIN: ::size_t = 1024;
+pub const KERN_PROC_PATHNAME: ::c_int = 9;
diff --git a/src/freebsdlike/freebsd.rs b/src/freebsdlike/freebsd.rs
new file mode 100644
index 0000000000000000000000000000000000000000..c4998379ba84e7231d22220bf25cd7eb1551b33e
--- /dev/null
+++ b/src/freebsdlike/freebsd.rs
@@ -0,0 +1,2 @@
+pub const PTHREAD_STACK_MIN: ::size_t = 2048;
+pub const KERN_PROC_PATHNAME: ::c_int = 12;
diff --git a/src/freebsdlike/mod.rs b/src/freebsdlike/mod.rs
new file mode 100644
index 0000000000000000000000000000000000000000..8db9316c04bcf29424bec7c3e46106b83ac8c2b5
--- /dev/null
+++ b/src/freebsdlike/mod.rs
@@ -0,0 +1,577 @@
+pub type pthread_t = uintptr_t;
+pub type rlim_t = i64;
+pub type sighandler_t = size_t;
+pub type socklen_t = u32;
+pub type sa_family_t = u8;
+pub type in_port_t = u16;
+pub type in_addr_t = u32;
+
+pub enum timezone {}
+
+s! {
+    pub struct glob_t {
+        pub gl_pathc: ::size_t,
+        __unused1: ::size_t,
+        pub gl_offs: ::size_t,
+        __unused2: ::c_int,
+        pub gl_pathv:  *mut *mut ::c_char,
+
+        __unused3: *mut ::c_void,
+
+        __unused4: *mut ::c_void,
+        __unused5: *mut ::c_void,
+        __unused6: *mut ::c_void,
+        __unused7: *mut ::c_void,
+        __unused8: *mut ::c_void,
+    }
+
+    pub struct timeval {
+        pub tv_sec: ::time_t,
+        pub tv_usec: ::suseconds_t,
+    }
+
+    pub struct timespec {
+        pub tv_sec: ::time_t,
+        pub tv_nsec: ::c_long,
+    }
+
+    pub struct rlimit {
+        pub rlim_cur: ::rlim_t,
+        pub rlim_max: ::rlim_t,
+    }
+
+    pub struct rusage {
+        pub ru_utime: timeval,
+        pub ru_stime: timeval,
+        pub ru_maxrss: ::c_long,
+        pub ru_ixrss: ::c_long,
+        pub ru_idrss: ::c_long,
+        pub ru_isrss: ::c_long,
+        pub ru_minflt: ::c_long,
+        pub ru_majflt: ::c_long,
+        pub ru_nswap: ::c_long,
+        pub ru_inblock: ::c_long,
+        pub ru_oublock: ::c_long,
+        pub ru_msgsnd: ::c_long,
+        pub ru_msgrcv: ::c_long,
+        pub ru_nsignals: ::c_long,
+        pub ru_nvcsw: ::c_long,
+        pub ru_nivcsw: ::c_long
+    }
+
+    pub struct sockaddr {
+        pub sa_len: u8,
+        pub sa_family: sa_family_t,
+        pub sa_data: [u8; 14],
+    }
+
+    pub struct sockaddr_storage {
+        pub ss_len: u8,
+        pub ss_family: sa_family_t,
+        __ss_pad1: [u8; 6],
+        __ss_align: i64,
+        __ss_pad2: [u8; 112],
+    }
+
+    pub struct sockaddr_in {
+        pub sin_len: u8,
+        pub sin_family: sa_family_t,
+        pub sin_port: in_port_t,
+        pub sin_addr: in_addr,
+        pub sin_zero: [u8; 8],
+    }
+
+    pub struct in_addr {
+        pub s_addr: in_addr_t,
+    }
+
+    pub struct sockaddr_in6 {
+        pub sin6_len: u8,
+        pub sin6_family: sa_family_t,
+        pub sin6_port: in_port_t,
+        pub sin6_flowinfo: u32,
+        pub sin6_addr: in6_addr,
+        pub sin6_scope_id: u32,
+    }
+
+    pub struct in6_addr {
+        pub s6_addr: [u16; 8],
+        __align: [u32; 0],
+    }
+
+    pub struct ip_mreq {
+        pub imr_multiaddr: in_addr,
+        pub imr_interface: in_addr,
+    }
+
+    pub struct ipv6_mreq {
+        pub ipv6mr_multiaddr: in6_addr,
+        pub ipv6mr_interface: c_uint,
+    }
+
+    pub struct addrinfo {
+        pub ai_flags: ::c_int,
+        pub ai_family: ::c_int,
+        pub ai_socktype: ::c_int,
+        pub ai_protocol: ::c_int,
+        pub ai_addrlen: socklen_t,
+        pub ai_canonname: *mut c_char,
+        pub ai_addr: *mut sockaddr,
+        pub ai_next: *mut addrinfo,
+    }
+
+    pub struct sockaddr_un {
+        pub sun_len: u8,
+        pub sun_family: sa_family_t,
+        pub sun_path: [c_char; 104]
+    }
+
+    pub struct ifaddrs {
+        pub ifa_next: *mut ifaddrs,
+        pub ifa_name: *mut c_char,
+        pub ifa_flags: c_uint,
+        pub ifa_addr: *mut sockaddr,
+        pub ifa_netmask: *mut sockaddr,
+        pub ifa_dstaddr: *mut sockaddr,
+        pub ifa_data: *mut ::c_void
+    }
+}
+
+pub const EXIT_FAILURE: ::c_int = 1;
+pub const EXIT_SUCCESS: ::c_int = 0;
+pub const RAND_MAX: ::c_int = 2147483647;
+pub const EOF: ::c_int = -1;
+pub const SEEK_SET: ::c_int = 0;
+pub const SEEK_CUR: ::c_int = 1;
+pub const SEEK_END: ::c_int = 2;
+pub const _IOFBF: ::c_int = 0;
+pub const _IONBF: ::c_int = 2;
+pub const _IOLBF: ::c_int = 1;
+pub const BUFSIZ: c_uint = 1024;
+pub const FOPEN_MAX: c_uint = 20;
+pub const FILENAME_MAX: c_uint = 1024;
+pub const L_tmpnam: c_uint = 1024;
+pub const TMP_MAX: c_uint = 308915776;
+
+pub const O_RDONLY: ::c_int = 0;
+pub const O_WRONLY: ::c_int = 1;
+pub const O_RDWR: ::c_int = 2;
+pub const O_APPEND: ::c_int = 8;
+pub const O_CREAT: ::c_int = 512;
+pub const O_EXCL: ::c_int = 2048;
+pub const O_NOCTTY: ::c_int = 32768;
+pub const O_TRUNC: ::c_int = 1024;
+pub const S_IFIFO: mode_t = 4096;
+pub const S_IFCHR: mode_t = 8192;
+pub const S_IFBLK: mode_t = 24576;
+pub const S_IFDIR: mode_t = 16384;
+pub const S_IFREG: mode_t = 32768;
+pub const S_IFLNK: mode_t = 40960;
+pub const S_IFSOCK: mode_t = 49152;
+pub const S_IFMT: mode_t = 61440;
+pub const S_IEXEC: mode_t = 64;
+pub const S_IWRITE: mode_t = 128;
+pub const S_IREAD: mode_t = 256;
+pub const S_IRWXU: mode_t = 448;
+pub const S_IXUSR: mode_t = 64;
+pub const S_IWUSR: mode_t = 128;
+pub const S_IRUSR: mode_t = 256;
+pub const S_IRWXG: mode_t = 56;
+pub const S_IXGRP: mode_t = 8;
+pub const S_IWGRP: mode_t = 16;
+pub const S_IRGRP: mode_t = 32;
+pub const S_IRWXO: mode_t = 7;
+pub const S_IXOTH: mode_t = 1;
+pub const S_IWOTH: mode_t = 2;
+pub const S_IROTH: mode_t = 4;
+pub const F_OK: ::c_int = 0;
+pub const R_OK: ::c_int = 4;
+pub const W_OK: ::c_int = 2;
+pub const X_OK: ::c_int = 1;
+pub const STDIN_FILENO: ::c_int = 0;
+pub const STDOUT_FILENO: ::c_int = 1;
+pub const STDERR_FILENO: ::c_int = 2;
+pub const F_LOCK: ::c_int = 1;
+pub const F_TEST: ::c_int = 3;
+pub const F_TLOCK: ::c_int = 2;
+pub const F_ULOCK: ::c_int = 0;
+pub const SIGHUP: ::c_int = 1;
+pub const SIGINT: ::c_int = 2;
+pub const SIGQUIT: ::c_int = 3;
+pub const SIGILL: ::c_int = 4;
+pub const SIGABRT: ::c_int = 6;
+pub const SIGFPE: ::c_int = 8;
+pub const SIGKILL: ::c_int = 9;
+pub const SIGSEGV: ::c_int = 11;
+pub const SIGPIPE: ::c_int = 13;
+pub const SIGALRM: ::c_int = 14;
+pub const SIGTERM: ::c_int = 15;
+
+pub const PROT_NONE: ::c_int = 0;
+pub const PROT_READ: ::c_int = 1;
+pub const PROT_WRITE: ::c_int = 2;
+pub const PROT_EXEC: ::c_int = 4;
+
+pub const MAP_FILE: ::c_int = 0x0000;
+pub const MAP_SHARED: ::c_int = 0x0001;
+pub const MAP_PRIVATE: ::c_int = 0x0002;
+pub const MAP_FIXED: ::c_int = 0x0010;
+pub const MAP_ANON: ::c_int = 0x1000;
+
+pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
+
+pub const MCL_CURRENT: ::c_int = 0x0001;
+pub const MCL_FUTURE: ::c_int = 0x0002;
+
+pub const MS_SYNC: ::c_int = 0x0000;
+pub const MS_ASYNC: ::c_int = 0x0001;
+pub const MS_INVALIDATE: ::c_int = 0x0002;
+
+pub const EPERM: ::c_int = 1;
+pub const ENOENT: ::c_int = 2;
+pub const ESRCH: ::c_int = 3;
+pub const EINTR: ::c_int = 4;
+pub const EIO: ::c_int = 5;
+pub const ENXIO: ::c_int = 6;
+pub const E2BIG: ::c_int = 7;
+pub const ENOEXEC: ::c_int = 8;
+pub const EBADF: ::c_int = 9;
+pub const ECHILD: ::c_int = 10;
+pub const EDEADLK: ::c_int = 11;
+pub const ENOMEM: ::c_int = 12;
+pub const EACCES: ::c_int = 13;
+pub const EFAULT: ::c_int = 14;
+pub const ENOTBLK: ::c_int = 15;
+pub const EBUSY: ::c_int = 16;
+pub const EEXIST: ::c_int = 17;
+pub const EXDEV: ::c_int = 18;
+pub const ENODEV: ::c_int = 19;
+pub const ENOTDIR: ::c_int = 20;
+pub const EISDIR: ::c_int = 21;
+pub const EINVAL: ::c_int = 22;
+pub const ENFILE: ::c_int = 23;
+pub const EMFILE: ::c_int = 24;
+pub const ENOTTY: ::c_int = 25;
+pub const ETXTBSY: ::c_int = 26;
+pub const EFBIG: ::c_int = 27;
+pub const ENOSPC: ::c_int = 28;
+pub const ESPIPE: ::c_int = 29;
+pub const EROFS: ::c_int = 30;
+pub const EMLINK: ::c_int = 31;
+pub const EPIPE: ::c_int = 32;
+pub const EDOM: ::c_int = 33;
+pub const ERANGE: ::c_int = 34;
+pub const EAGAIN: ::c_int = 35;
+pub const EWOULDBLOCK: ::c_int = 35;
+pub const EINPROGRESS: ::c_int = 36;
+pub const EALREADY: ::c_int = 37;
+pub const ENOTSOCK: ::c_int = 38;
+pub const EDESTADDRREQ: ::c_int = 39;
+pub const EMSGSIZE: ::c_int = 40;
+pub const EPROTOTYPE: ::c_int = 41;
+pub const ENOPROTOOPT: ::c_int = 42;
+pub const EPROTONOSUPPORT: ::c_int = 43;
+pub const ESOCKTNOSUPPORT: ::c_int = 44;
+pub const EOPNOTSUPP: ::c_int = 45;
+pub const EPFNOSUPPORT: ::c_int = 46;
+pub const EAFNOSUPPORT: ::c_int = 47;
+pub const EADDRINUSE: ::c_int = 48;
+pub const EADDRNOTAVAIL: ::c_int = 49;
+pub const ENETDOWN: ::c_int = 50;
+pub const ENETUNREACH: ::c_int = 51;
+pub const ENETRESET: ::c_int = 52;
+pub const ECONNABORTED: ::c_int = 53;
+pub const ECONNRESET: ::c_int = 54;
+pub const ENOBUFS: ::c_int = 55;
+pub const EISCONN: ::c_int = 56;
+pub const ENOTCONN: ::c_int = 57;
+pub const ESHUTDOWN: ::c_int = 58;
+pub const ETOOMANYREFS: ::c_int = 59;
+pub const ETIMEDOUT: ::c_int = 60;
+pub const ECONNREFUSED: ::c_int = 61;
+pub const ELOOP: ::c_int = 62;
+pub const ENAMETOOLONG: ::c_int = 63;
+pub const EHOSTDOWN: ::c_int = 64;
+pub const EHOSTUNREACH: ::c_int = 65;
+pub const ENOTEMPTY: ::c_int = 66;
+pub const EPROCLIM: ::c_int = 67;
+pub const EUSERS: ::c_int = 68;
+pub const EDQUOT: ::c_int = 69;
+pub const ESTALE: ::c_int = 70;
+pub const EREMOTE: ::c_int = 71;
+pub const EBADRPC: ::c_int = 72;
+pub const ERPCMISMATCH: ::c_int = 73;
+pub const EPROGUNAVAIL: ::c_int = 74;
+pub const EPROGMISMATCH: ::c_int = 75;
+pub const EPROCUNAVAIL: ::c_int = 76;
+pub const ENOLCK: ::c_int = 77;
+pub const ENOSYS: ::c_int = 78;
+pub const EFTYPE: ::c_int = 79;
+pub const EAUTH: ::c_int = 80;
+pub const ENEEDAUTH: ::c_int = 81;
+pub const EIDRM: ::c_int = 82;
+pub const ENOMSG: ::c_int = 83;
+pub const EOVERFLOW: ::c_int = 84;
+pub const ECANCELED: ::c_int = 85;
+pub const EILSEQ: ::c_int = 86;
+pub const ENOATTR: ::c_int = 87;
+pub const EDOOFUS: ::c_int = 88;
+pub const EBADMSG: ::c_int = 89;
+pub const EMULTIHOP: ::c_int = 90;
+pub const ENOLINK: ::c_int = 91;
+pub const EPROTO: ::c_int = 92;
+pub const ENOMEDIUM: ::c_int = 93;
+pub const EUNUSED94: ::c_int = 94;
+pub const EUNUSED95: ::c_int = 95;
+pub const EUNUSED96: ::c_int = 96;
+pub const EUNUSED97: ::c_int = 97;
+pub const EUNUSED98: ::c_int = 98;
+pub const EASYNC: ::c_int = 99;
+pub const ELAST: ::c_int = 99;
+
+pub const F_DUPFD: ::c_int = 0;
+pub const F_GETFD: ::c_int = 1;
+pub const F_SETFD: ::c_int = 2;
+pub const F_GETFL: ::c_int = 3;
+pub const F_SETFL: ::c_int = 4;
+
+pub const SIGTRAP: ::c_int = 5;
+pub const SIG_IGN: size_t = 1;
+
+pub const GLOB_APPEND  : ::c_int = 0x0001;
+pub const GLOB_DOOFFS  : ::c_int = 0x0002;
+pub const GLOB_ERR     : ::c_int = 0x0004;
+pub const GLOB_MARK    : ::c_int = 0x0008;
+pub const GLOB_NOCHECK : ::c_int = 0x0010;
+pub const GLOB_NOSORT  : ::c_int = 0x0020;
+pub const GLOB_NOESCAPE: ::c_int = 0x2000;
+
+pub const GLOB_NOSPACE : ::c_int = -1;
+pub const GLOB_ABORTED : ::c_int = -2;
+pub const GLOB_NOMATCH : ::c_int = -3;
+
+pub const POSIX_MADV_NORMAL: ::c_int = 0;
+pub const POSIX_MADV_RANDOM: ::c_int = 1;
+pub const POSIX_MADV_SEQUENTIAL: ::c_int = 2;
+pub const POSIX_MADV_WILLNEED: ::c_int = 3;
+pub const POSIX_MADV_DONTNEED: ::c_int = 4;
+
+pub const _SC_IOV_MAX: ::c_int = 56;
+pub const _SC_GETGR_R_SIZE_MAX: ::c_int = 70;
+pub const _SC_GETPW_R_SIZE_MAX: ::c_int = 71;
+pub const _SC_LOGIN_NAME_MAX: ::c_int = 73;
+pub const _SC_MQ_PRIO_MAX: ::c_int = 75;
+pub const _SC_THREAD_ATTR_STACKADDR: ::c_int = 82;
+pub const _SC_THREAD_ATTR_STACKSIZE: ::c_int = 83;
+pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = 85;
+pub const _SC_THREAD_KEYS_MAX: ::c_int = 86;
+pub const _SC_THREAD_PRIO_INHERIT: ::c_int = 87;
+pub const _SC_THREAD_PRIO_PROTECT: ::c_int = 88;
+pub const _SC_THREAD_PRIORITY_SCHEDULING: ::c_int = 89;
+pub const _SC_THREAD_PROCESS_SHARED: ::c_int = 90;
+pub const _SC_THREAD_SAFE_FUNCTIONS: ::c_int = 91;
+pub const _SC_THREAD_STACK_MIN: ::c_int = 93;
+pub const _SC_THREAD_THREADS_MAX: ::c_int = 94;
+pub const _SC_THREADS: ::c_int = 96;
+pub const _SC_TTY_NAME_MAX: ::c_int = 101;
+pub const _SC_ATEXIT_MAX: ::c_int = 107;
+pub const _SC_XOPEN_CRYPT: ::c_int = 108;
+pub const _SC_XOPEN_ENH_I18N: ::c_int = 109;
+pub const _SC_XOPEN_LEGACY: ::c_int = 110;
+pub const _SC_XOPEN_REALTIME: ::c_int = 111;
+pub const _SC_XOPEN_REALTIME_THREADS: ::c_int = 112;
+pub const _SC_XOPEN_SHM: ::c_int = 113;
+pub const _SC_XOPEN_UNIX: ::c_int = 115;
+pub const _SC_XOPEN_VERSION: ::c_int = 116;
+pub const _SC_XOPEN_XCU_VERSION: ::c_int = 117;
+
+pub const PTHREAD_CREATE_JOINABLE: ::c_int = 0;
+pub const PTHREAD_CREATE_DETACHED: ::c_int = 1;
+
+pub const CLOCK_REALTIME: ::c_int = 0;
+pub const CLOCK_MONOTONIC: ::c_int = 4;
+
+pub const RLIMIT_CPU: ::c_int = 0;
+pub const RLIMIT_FSIZE: ::c_int = 1;
+pub const RLIMIT_DATA: ::c_int = 2;
+pub const RLIMIT_STACK: ::c_int = 3;
+pub const RLIMIT_CORE: ::c_int = 4;
+pub const RLIMIT_RSS: ::c_int = 5;
+pub const RLIMIT_MEMLOCK: ::c_int = 6;
+pub const RLIMIT_NPROC: ::c_int = 7;
+pub const RLIMIT_NOFILE: ::c_int = 8;
+pub const RLIMIT_SBSIZE: ::c_int = 9;
+pub const RLIMIT_VMEM: ::c_int = 10;
+pub const RLIMIT_AS: ::c_int = RLIMIT_VMEM;
+pub const RLIMIT_NPTS: ::c_int = 11;
+pub const RLIMIT_SWAP: ::c_int = 12;
+pub const RLIMIT_KQUEUES: ::c_int = 13;
+
+pub const RLIM_NLIMITS: rlim_t = 14;
+pub const RLIM_INFINITY: rlim_t = 0x7fff_ffff_ffff_ffff;
+
+pub const RUSAGE_SELF: ::c_int = 0;
+pub const RUSAGE_CHILDREN: ::c_int = -1;
+pub const RUSAGE_THREAD: ::c_int = 1;
+
+pub const MADV_NORMAL: ::c_int = 0;
+pub const MADV_RANDOM: ::c_int = 1;
+pub const MADV_SEQUENTIAL: ::c_int = 2;
+pub const MADV_WILLNEED: ::c_int = 3;
+pub const MADV_DONTNEED: ::c_int = 4;
+pub const MADV_FREE: ::c_int = 5;
+pub const MADV_NOSYNC: ::c_int = 6;
+pub const MADV_AUTOSYNC: ::c_int = 7;
+pub const MADV_NOCORE: ::c_int = 8;
+pub const MADV_CORE: ::c_int = 9;
+pub const MADV_PROTECT: ::c_int = 10;
+
+pub const MINCORE_INCORE: ::c_int =  0x1;
+pub const MINCORE_REFERENCED: ::c_int = 0x2;
+pub const MINCORE_MODIFIED: ::c_int = 0x4;
+pub const MINCORE_REFERENCED_OTHER: ::c_int = 0x8;
+pub const MINCORE_MODIFIED_OTHER: ::c_int = 0x10;
+pub const MINCORE_SUPER: ::c_int = 0x20;
+
+pub const AF_INET: ::c_int = 2;
+pub const AF_INET6: ::c_int = 28;
+pub const AF_UNIX: ::c_int = 1;
+pub const SOCK_STREAM: ::c_int = 1;
+pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_RAW: ::c_int = 3;
+pub const IPPROTO_TCP: ::c_int = 6;
+pub const IPPROTO_IP: ::c_int = 0;
+pub const IPPROTO_IPV6: ::c_int = 41;
+pub const IP_MULTICAST_TTL: ::c_int = 10;
+pub const IP_MULTICAST_LOOP: ::c_int = 11;
+pub const IP_TTL: ::c_int = 4;
+pub const IP_HDRINCL: ::c_int = 2;
+pub const IP_ADD_MEMBERSHIP: ::c_int = 12;
+pub const IP_DROP_MEMBERSHIP: ::c_int = 13;
+pub const IPV6_ADD_MEMBERSHIP: ::c_int = 12;
+pub const IPV6_DROP_MEMBERSHIP: ::c_int = 13;
+
+pub const TCP_NODELAY: ::c_int = 1;
+pub const TCP_KEEPIDLE: ::c_int = 256;
+pub const SOL_SOCKET: ::c_int = 0xffff;
+pub const SO_DEBUG: ::c_int = 0x01;
+pub const SO_ACCEPTCONN: ::c_int = 0x0002;
+pub const SO_REUSEADDR: ::c_int = 0x0004;
+pub const SO_KEEPALIVE: ::c_int = 0x0008;
+pub const SO_DONTROUTE: ::c_int = 0x0010;
+pub const SO_BROADCAST: ::c_int = 0x0020;
+pub const SO_USELOOPBACK: ::c_int = 0x0040;
+pub const SO_LINGER: ::c_int = 0x0080;
+pub const SO_OOBINLINE: ::c_int = 0x0100;
+pub const SO_REUSEPORT: ::c_int = 0x0200;
+pub const SO_SNDBUF: ::c_int = 0x1001;
+pub const SO_RCVBUF: ::c_int = 0x1002;
+pub const SO_SNDLOWAT: ::c_int = 0x1003;
+pub const SO_RCVLOWAT: ::c_int = 0x1004;
+pub const SO_SNDTIMEO: ::c_int = 0x1005;
+pub const SO_RCVTIMEO: ::c_int = 0x1006;
+pub const SO_ERROR: ::c_int = 0x1007;
+pub const SO_TYPE: ::c_int = 0x1008;
+
+pub const IFF_LOOPBACK: ::c_int = 0x8;
+
+pub const SHUT_RD: ::c_int = 0;
+pub const SHUT_WR: ::c_int = 1;
+pub const SHUT_RDWR: ::c_int = 2;
+
+pub const LOCK_SH: ::c_int = 1;
+pub const LOCK_EX: ::c_int = 2;
+pub const LOCK_NB: ::c_int = 4;
+pub const LOCK_UN: ::c_int = 8;
+
+pub const O_SYNC: ::c_int = 128;
+pub const O_NONBLOCK: ::c_int = 4;
+pub const CTL_KERN: ::c_int = 1;
+pub const KERN_PROC: ::c_int = 14;
+
+pub const MAP_COPY: ::c_int = 0x0002;
+pub const MAP_RENAME: ::c_int = 0x0020;
+pub const MAP_NORESERVE: ::c_int = 0x0040;
+pub const MAP_HASSEMAPHORE: ::c_int = 0x0200;
+pub const MAP_STACK: ::c_int = 0x0400;
+pub const MAP_NOSYNC: ::c_int = 0x0800;
+pub const MAP_NOCORE: ::c_int = 0x020000;
+
+pub const IPPROTO_RAW: ::c_int = 255;
+
+pub const _SC_ARG_MAX: ::c_int = 1;
+pub const _SC_CHILD_MAX: ::c_int = 2;
+pub const _SC_CLK_TCK: ::c_int = 3;
+pub const _SC_NGROUPS_MAX: ::c_int = 4;
+pub const _SC_OPEN_MAX: ::c_int = 5;
+pub const _SC_JOB_CONTROL: ::c_int = 6;
+pub const _SC_SAVED_IDS: ::c_int = 7;
+pub const _SC_VERSION: ::c_int = 8;
+pub const _SC_BC_BASE_MAX: ::c_int = 9;
+pub const _SC_BC_DIM_MAX: ::c_int = 10;
+pub const _SC_BC_SCALE_MAX: ::c_int = 11;
+pub const _SC_BC_STRING_MAX: ::c_int = 12;
+pub const _SC_COLL_WEIGHTS_MAX: ::c_int = 13;
+pub const _SC_EXPR_NEST_MAX: ::c_int = 14;
+pub const _SC_LINE_MAX: ::c_int = 15;
+pub const _SC_RE_DUP_MAX: ::c_int = 16;
+pub const _SC_2_VERSION: ::c_int = 17;
+pub const _SC_2_C_BIND: ::c_int = 18;
+pub const _SC_2_C_DEV: ::c_int = 19;
+pub const _SC_2_CHAR_TERM: ::c_int = 20;
+pub const _SC_2_FORT_DEV: ::c_int = 21;
+pub const _SC_2_FORT_RUN: ::c_int = 22;
+pub const _SC_2_LOCALEDEF: ::c_int = 23;
+pub const _SC_2_SW_DEV: ::c_int = 24;
+pub const _SC_2_UPE: ::c_int = 25;
+pub const _SC_STREAM_MAX: ::c_int = 26;
+pub const _SC_TZNAME_MAX: ::c_int = 27;
+pub const _SC_ASYNCHRONOUS_IO: ::c_int = 28;
+pub const _SC_MAPPED_FILES: ::c_int = 29;
+pub const _SC_MEMLOCK: ::c_int = 30;
+pub const _SC_MEMLOCK_RANGE: ::c_int = 31;
+pub const _SC_MEMORY_PROTECTION: ::c_int = 32;
+pub const _SC_MESSAGE_PASSING: ::c_int = 33;
+pub const _SC_PRIORITIZED_IO: ::c_int = 34;
+pub const _SC_PRIORITY_SCHEDULING: ::c_int = 35;
+pub const _SC_REALTIME_SIGNALS: ::c_int = 36;
+pub const _SC_SEMAPHORES: ::c_int = 37;
+pub const _SC_FSYNC: ::c_int = 38;
+pub const _SC_SHARED_MEMORY_OBJECTS: ::c_int = 39;
+pub const _SC_SYNCHRONIZED_IO: ::c_int = 40;
+pub const _SC_TIMERS: ::c_int = 41;
+pub const _SC_AIO_LISTIO_MAX: ::c_int = 42;
+pub const _SC_AIO_MAX: ::c_int = 43;
+pub const _SC_AIO_PRIO_DELTA_MAX: ::c_int = 44;
+pub const _SC_DELAYTIMER_MAX: ::c_int = 45;
+pub const _SC_MQ_OPEN_MAX: ::c_int = 46;
+pub const _SC_PAGESIZE: ::c_int = 47;
+pub const _SC_RTSIG_MAX: ::c_int = 48;
+pub const _SC_SEM_NSEMS_MAX: ::c_int = 49;
+pub const _SC_SEM_VALUE_MAX: ::c_int = 50;
+pub const _SC_SIGQUEUE_MAX: ::c_int = 51;
+pub const _SC_TIMER_MAX: ::c_int = 52;
+
+cfg_if! {
+    if #[cfg(target_arch = "x86")] {
+        mod x86;
+        pub use self::x86::*;
+    } else if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    } else {
+        // ...
+    }
+}
+
+cfg_if! {
+    if #[cfg(target_os = "freebsd")] {
+        mod freebsd;
+        pub use self::freebsd::*;
+    } else if #[cfg(target_os = "dragonfly")] {
+        mod dragonfly;
+        pub use self::dragonfly::*;
+    } else {
+        // ...
+    }
+}
diff --git a/src/freebsdlike/x86.rs b/src/freebsdlike/x86.rs
new file mode 100644
index 0000000000000000000000000000000000000000..47ab9491bf6f2a82c310bb8ecc02eeeb204494c8
--- /dev/null
+++ b/src/freebsdlike/x86.rs
@@ -0,0 +1,64 @@
+pub type c_char = i8;
+pub type c_schar = i8;
+pub type c_uchar = u8;
+pub type c_short = i16;
+pub type c_ushort = u16;
+pub type c_int = i32;
+pub type c_uint = u32;
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_float = f32;
+pub type c_double = f64;
+pub type size_t = u32;
+pub type ptrdiff_t = i32;
+pub type clock_t = i32;
+pub type time_t = i32;
+pub type suseconds_t = i32;
+pub type wchar_t = i32;
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+pub type intptr_t = i32;
+pub type uintptr_t = u32;
+pub type intmax_t = i64;
+pub type uintmax_t = u64;
+pub type off_t = i64;
+pub type dev_t = u32;
+pub type ino_t = u32;
+pub type pid_t = i32;
+pub type uid_t = u32;
+pub type gid_t = u32;
+pub type useconds_t = u32;
+pub type mode_t = u16;
+pub type ssize_t = i32;
+pub type nlink_t = u16;
+pub type blksize_t = u32;
+pub type blkcnt_t = i64;
+pub type fflags_t = u32;
+pub type pthread_attr_t = *mut c_void;
+
+s! {
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_mode: ::mode_t,
+        pub st_nlink: ::nlink_t,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: ::uint32_t,
+        pub st_lspare: ::int32_t,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+        __unused: ::[u8; 8],
+    }
+}
diff --git a/src/freebsdlike/x86_64.rs b/src/freebsdlike/x86_64.rs
new file mode 100644
index 0000000000000000000000000000000000000000..bacea737a13a9ea04fe973f3f8b8b0973e425658
--- /dev/null
+++ b/src/freebsdlike/x86_64.rs
@@ -0,0 +1,63 @@
+pub type c_char = i8;
+pub type c_schar = i8;
+pub type c_uchar = u8;
+pub type c_short = i16;
+pub type c_ushort = u16;
+pub type c_int = i32;
+pub type c_uint = u32;
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type c_float = f32;
+pub type c_double = f64;
+pub type size_t = u64;
+pub type ptrdiff_t = i64;
+pub type clock_t = i32;
+pub type time_t = i64;
+pub type suseconds_t = i64;
+pub type wchar_t = i32;
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+pub type intptr_t = i64;
+pub type uintptr_t = u64;
+pub type intmax_t = i64;
+pub type uintmax_t = u64;
+pub type off_t = i64;
+pub type dev_t = u32;
+pub type ino_t = u32;
+pub type pid_t = i32;
+pub type uid_t = u32;
+pub type gid_t = u32;
+pub type useconds_t = u32;
+pub type mode_t = u16;
+pub type ssize_t = i64;
+pub type nlink_t = u16;
+pub type blksize_t = u32;
+pub type blkcnt_t = i64;
+pub type fflags_t = u32;
+pub type pthread_attr_t = *mut ::c_void;
+
+s! {
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_mode: ::mode_t,
+        pub st_nlink: ::nlink_t,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: ::uint32_t,
+        pub st_lspare: ::int32_t,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+    }
+}