.TH UMASK 2
.UC 4
.SH NAME
umask \- set file creation mask.
.SH SYNOPSIS
.nf
.B #include <unistd.h>
.B int umask (int mask);
.fi
.SH DESCRIPTION
.B umask() 
sets the umask to 
.I mask 
& 0777.  The old umask before the set is returned.
.SH FILES
linux/kernel/sys.c
.br
/usr/include/linux/sys.h
.br
/usr/include/unistd.h
.SH SEE ALSO
open(2)
.\".SH BUGS
.\"Should the old or current umask be returned?