|  | 
| 
 Functions | 
| static void | sigio_fn (int sig) | 
| int | socket (int domain, int type, int protocol) | 
| int | bind (int sockfd, struct sockaddr *my_addr, size_t addrlen) | 
| ssize_t | sendto (int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen) | 
| ssize_t | recvfrom (int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen) | 
| int | connect (int s, const struct sockaddr *name, socklen_t namelen) | 
| int | getsockname (int s, struct sockaddr *name, socklen_t *namelen) | 
| int | listen (int s, int backlog) | 
| int | accept (int s, struct sockaddr *addr, socklen_t *addrlen) | 
| int | getpeername (int s, struct sockaddr *name, socklen_t *namelen) |