usr/src/lib/libc/stdlib/exit.3

.\" Copyright (c) 1990, 1991, 1993
.\"     The Regents of the University of California.  All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the American National Standards Committee X3, on Information
.\" Processing Systems.
.\"
.\" %sccs.include.redist.man%
.\"
.\"     @(#)exit.3      8.1 (Berkeley) %G%
.\"
.Dd
.Dt EXIT 3
.Os
.Sh NAME
.Nm exit
.Nd perform normal program termination
.Sh SYNOPSIS
.Fd #include <stdlib.h>
.Ft void
.Fn exit "int status"
.Sh DESCRIPTION
.Fn Exit
terminates a process.
.Pp
Before termination it performs the following functions in the
order listed:
.Bl -enum -offset indent
.It
Call the functions registered with the
.Xr atexit 3
function, in the reverse order of their registration.
.It
Flush all open output streams.
.It
Close all open streams.
.It
Unlink all files created with the
.Xr tmpfile 3
function.
.El
.Sh RETURN VALUES
The
.Fn exit
function
never returns.
.Sh SEE ALSO
.Xr _exit 2 ,
.Xr atexit 3 ,
.Xr intro 3 ,
.Xr tmpfile 3
.Sh STANDARDS
The
.Fn exit
function
conforms to
.St -ansiC .