GETPEERNAME

Section: Linux Programmer's Manual (2)
Updated: 24 July 1993
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NAME

getpeername - get name of connected peer  

SYNOPSIS

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

DESCRIPTION

Getpeername 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 VALUE

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.  

ERRORS

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.
 

HISTORY

The getpeername function call appeared in BSD 4.2.  

SEE ALSO

accept(2), bind(2), getsockname(2)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
HISTORY
SEE ALSO

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