Socket Functions

The <sofia-sip/su.h> contains the portable socket functions. More...

Files
file	su.h
	Socket and network address interface.
file	su_addrinfo.h
	Network address and service translation.
file	su_localinfo.h
	Interface for obtaining local addresses.

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Detailed Description

The <sofia-sip/su.h> contains the portable socket functions.

The <sofia-sip/su.h> contains following functions, macros, and types:

• su_init(): initializes sockets
• su_deinit(): deinitializes sockets
• su_socket(): creates a socket
• su_close(): closes a socket
• su_ioctl(): ioctl to a socket
• su_setreuseaddr(): set/reset reusing the addresses/ports for a socket
• su_setblocking(): enables/disables blocking
• su_is_blocking(): checks if the previous call failed because it would have blocked
• su_errno(): the latest socket error
• su_perror(): prints the latest socket error message to stderr
• su_strerror(): returns the given socket error message
• su_perror2(): prints the given socket error message to stderr
• su_soerror(): returns the error code associated with the socket
• su_getmsgsize(): return the number of bytes that can be recv()ed from a socket
• su_getlocalip(): return an IP address belonging to the local host
• su_send(), su_sendto(): type-compatible send()
• su_recv(), su_recvfrom(): type-compatible recv()
• su_vsend(): scatter-gather send
• su_vrecv(): scatter-gather receive
• su_iovec_t: structure holding scatter-gather IO vector