pipe - create pipe


SYNOPSIS

       #include <unistd.h>

       int pipe(int filedes[2]);


DESCRIPTION

       pipe  creates  a  pair  of file descriptors, pointing to a
       pipe inode, and places them in the  array  pointed  to  by
       filedes.   filedes[0]  is  for  reading, filedes[1] is for
       writing.


RETURN VALUE

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


ERRORS

       EMFILE Too  many  file  descriptors are in use by the pro­
              cess.

       ENFILE The system file table is full.

       EFAULT filedes is not valid.


CONFORMING TO

       SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3


SEE ALSO

       read(2), write(2), fork(2), socketpair(2)