UMASK(2)

NAME
umask - set file creation mask

SYNOPSIS
#include <unistd.h>

int umask(int mask);

DESCRIPTION
umask sets the umask to mask & 0777.

RETURN VALUE
The previous value of the mask is returned.

CONFORMING TO
SVID, AT&T, POSIX, X/OPEN, BSD 4.3

SEE ALSO
creat(2), open(2)