pkg syscall, const SO_RCVBUF ideal-int
pkg syscall, const SO_REUSEADDR ideal-int
pkg syscall, const SO_SNDBUF ideal-int
pkg syscall, const S_IFBLK ideal-int
pkg syscall, const S_IFCHR ideal-int
pkg syscall, const S_IFDIR ideal-int
pkg syscall, const S_IFIFO ideal-int
pkg syscall, const S_IFLNK ideal-int
pkg syscall, const S_IFMT ideal-int
pkg syscall, const S_IFREG ideal-int
pkg syscall, const S_IFSOCK ideal-int

pkg syscall, const SOCK_RAW = 3
pkg syscall, const SOCK_SEQPACKET = 5
pkg syscall, const SOCK_STREAM = 1
pkg syscall, const S_IFBLK = 24576
pkg syscall, const S_IFCHR = 8192
pkg syscall, const S_IFDIR = 16384
pkg syscall, const S_IFIFO = 4096
pkg syscall, const S_IFLNK = 40960
pkg syscall, const S_IFREG = 32768
pkg syscall, const S_IFSOCK = 49152
pkg syscall, const S_IRUSR = 256