ssize_t:read:int fd, void *buf, size_t c:fd, buf, c
ssize_t:write:int fd, void *buf, size_t c:fd, buf, c
int:recv:int fd, void *b, int l, u_int f:fd, b, l, f
int:recvfrom:int fd, void *b, int l, u_int f, struct sockaddr *fr, int *frl:fd, b, l, f, fr, frl
int:recvmsg:int fd, struct msghdr *m, u_int f:fd, m, f
int:send:int fd, const void *m, int l, unsigned int f:fd, m, l, f
int:sendto:int fd, const void *m, int l, u_int f, const struct sockaddr *t, int tl:fd, m, l, f, t, tl
int:sendmsg:int fd, const struct msghdr *m, u_int f:fd, m, f
int:accept:int fd, struct sockaddr *a, int *al:fd, a, al
int:connect:int fd, struct sockaddr *a, int al:fd, a, al
