io_receivefd man page on Alpinelinux

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io_receivefd(3)						       io_receivefd(3)

NAME
       io_receivefd - receive a file descriptor over a Unix Domain socket

SYNTAX
       #include <io.h>

       int64 io_receivefd(int64 sock);

DESCRIPTION
       io_receivefd  receives  a  file	descriptor from the Unix Domain socket
       sock.  You can send a descriptor using io_passfd(3).

       io_receivefd returns -1 on error or the file descriptor.

       The underlying Unix API can send more than one descriptor at the	 time.
       This function expects only one descriptor and will return the first one
       if more than one were sent.

SEE ALSO
       io_passfd(3)

							       io_receivefd(3)
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