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

EFAULT

filedes is not valid.

EMFILE

Too many file descriptors are in use by the process.

ENFILE

The system limit on the total number of open files has been reached.

CONFORMING TO

POSIX.1

SEE ALSO

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