pipe(2) -- Linux man page

 

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)