getpeername()

NAME

getpeername() - get name of connected peer

SYNOPSIS

#include <sys/socket.h>


int getpeername (int s, struct sockaddr *name, int *namelen)

DESCRIPTION

The getpeername(2) function 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 VALUES

If the call succeeds, it returns 0.

If the call fails, it returns -1 and sets errno to indicate the error.

ERRORS

The call succeeds unless:

[EBADF]

The argument s is not a valid descriptor.

[ENOTSOCK]

The argument s is a file, not a socket.

[ENOTCONN]

The socket is not connected.

[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

accept(2)

bind(2)

socket(2)

getsockname(2)