.\" Copyright (c) 1991, 1991 Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.roff%
.\"
.\"	@(#)munmap.2	6.3 (Berkeley) 06/23/92
.\"
.Dd 
.Dt MUNMAP 2
.Os
.Sh NAME
.Nm munmap
.Nd remove a mapping
.Sh SYNOPSIS
.Fn munmap "caddr_t addr" "size_t len"
.Sh DESCRIPTION
The
.Fn munmap
system call
deletes the mappings for the specified address range,
and causes further references to addresses within the range
to generate invalid memory references.
.Sh SEE ALSO
.Xr msync 2 ,
.Xr madvise 2 ,
.Xr mprotect 2 ,
.Xr mincore 2
.Sh HISTORY
The
.Fn munmap
function call is
.Ud .