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Manpages GETPEERNAMESection: Linux Programmer's Manual (2)Updated: 1993-07-30 Index Return to Main Contents NAMEgetpeername - get name of connected peerSYNOPSIS#include <sys/socket.h>int getpeername(int s, struct sockaddr *name, socklen_t *namelen); DESCRIPTIONGetpeername returns the name of the peer connected to socket s. 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). The name is truncated if the buffer provided is too small.RETURN VALUEOn success, zero is returned. On error, -1 is returned, and errno is set appropriately.ERRORS
CONFORMING TOSVr4, 4.4BSD (the getpeername function call first appeared in 4.2BSD).NOTEThe third argument of getpeername is in reality an `int *' (and this is what BSD 4.* and libc4 and libc5 have). Some POSIX confusion resulted in the present socklen_t. The draft standard has not been adopted yet, but glibc2 already follows it and also has socklen_t. See also accept(2).SEE ALSOaccept(2), bind(2), getsockname(2)
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