manpages.info - online man pages   

Linux man pages : pipe (2)
PIPE(2)			   Linux Programmer's Manual		       PIPE(2)

NAME

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 process. 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) Linux 0.99.11 1993-07-23 PIPE(2)