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Name

Synopsis

cc [ flag ... ] file ... -lsocket -lnsl [ library ... ]

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

MT-Level

Safe

Description

getpeername() returns the name of the peer connected to socket s. The int pointed to by 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 successful, getpeername() returns 0; otherwise it returns -1 and sets errno to indicate the error.

Errors

The call succeeds unless:

EBADF

The argument s is not a valid descriptor.

ENOMEM

There was insufficient user memory for the operation to complete.

ENOSR

There were insufficient STREAMS resources available for the operation to complete.

ENOTCONN

The socket is not connected.

ENOTSOCK

The argument s is not a socket.

See Also

Table of Contents

• Name
• Synopsis
• MT-Level
• Description
• Return Values
• Errors
• See Also