getsockname - phpMan

GETSOCKNAME(2)             Linux Programmer's Manual            GETSOCKNAME(2)



NAME
       getsockname - get socket name

SYNOPSIS
       #include <sys/socket.h>

       int getsockname(int s, struct sockaddr *name, socklen_t *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).

RETURN VALUE
       On success, zero is returned.  On error, -1 is returned, and errno is set appropri-
       ately.

ERRORS
       EBADF  The argument s is not a valid descriptor.

       EFAULT The name parameter points to memory not in  a  valid  part  of  the  process
              address space.

       EINVAL namelen is invalid (e.g., is negative).

       ENOBUFS
              Insufficient  resources  were  available in the system to perform the opera-
              tion.

       ENOTSOCK
              The argument s is a file, not a socket.

CONFORMING TO
       SVr4, 4.4BSD (the getsockname() function call appeared in 4.2BSD), POSIX.1-2001.

NOTE
       The third argument of getsockname() is in reality an 'int *' (and this is what  4.x
       BSD  and  libc4  and  libc5  have).   Some  POSIX confusion resulted in the present
       socklen_t, also used by glibc.  See also accept(2).

SEE ALSO
       bind(2), socket(2)



BSD Man Page                      1993-07-24                    GETSOCKNAME(2)

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