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 parame-
       ter 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.

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

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

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

CONFORMING TO
       SVr4, 4.4BSD (the getsockname function call appeared in  4.2BSD).   SVr4  documents
       additional ENOMEM and ENOSR error codes.

NOTE
       The  third  argument  of getsockname 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 ALSO
       bind(2), socket(2)



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

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