.\" Copyright (c) 1990 The Regents of the University of California.
.\" This code is derived from software contributed to Berkeley by
.\" %sccs.include.redist.man%
.\" @(#)strlen.3 5.1 (Berkeley) %G%
strlen \- find length of string
returns the number of non-null characters in
conforms to ANSI X3.159-1989 (``ANSI C'').