PIPE(2) Linux Programmer's Manual PIPE(2)
NAME
pipe(2,8) - create pipe(2,8)
SYNOPSIS
#include <unistd.h>
int pipe(2,8)(int filedes[2]);
DESCRIPTION
pipe(2,8) creates a pair of file(1,n) descriptors, pointing to a pipe(2,8) inode, and
places them in(1,8) 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(8,n), -1 is returned, and errno is
set(7,n,1 builtins) appropriately.
ERRORS
EFAULT filedes is not valid.
EMFILE Too many file(1,n) descriptors are in(1,8) use by the process.
ENFILE The system limit on the total number of open(2,3,n) files has been
reached.
CONFORMING TO
SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3
SEE ALSO
fork(2), read(2,n,1 builtins)(2), socketpair(2), write(1,2)(2)
Linux 2.6.7 2004-06-17 PIPE(2)