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BSD 2.11 - man page for getsockname (bsd section 2)

GETSOCKNAME(2)					 System Calls Manual				       GETSOCKNAME(2)

NAME
getsockname - get socket name
SYNOPSIS
getsockname(s, name, namelen) int s; struct sockaddr *name; int *namelen;
DESCRIPTION
Getsockname returns the current name for the specified socket. The namelen parameter should be initialized to indicate the amount of space pointed to by name. On return it contains the actual size of the name returned (in bytes).
DIAGNOSTICS
A 0 is returned if the call succeeds, -1 if it fails.
ERRORS
The call succeeds unless: [EBADF] The argument s is not a valid descriptor. [ENOTSOCK] The argument s is a file, not a socket. [ENOBUFS] Insufficient resources were available in the system to perform the operation. [EFAULT] The name parameter points to memory not in a valid part of the process address space.
SEE ALSO
bind(2), socket(2)
BUGS
Names bound to sockets in the UNIX domain are inaccessible; getsockname returns a zero length name. 4.2 Berkeley Distribution May 15, 1985 GETSOCKNAME(2)


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