1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek and the American National Standards Committee X3, 6.\" on Information Processing Systems. 7.\" 8.\" %sccs.include.redist.man% 9.\" 10.\" @(#)strlen.3 8.1 (Berkeley) 06/04/93 11.\" 12.Dd 13.Dt STRLEN 3 14.Os 15.Sh NAME 16.Nm strlen 17.Nd find length of string 18.Sh SYNOPSIS 19.Fd #include <string.h> 20.Ft size_t 21.Fn strlen "const char *s" 22.Sh DESCRIPTION 23The 24.Fn strlen 25function 26computes the length of the string 27.Fa s . 28.Sh RETURN VALUES 29The 30.Fn strlen 31function 32returns 33the number of characters that precede the 34terminating 35.Dv NUL 36character. 37.Sh SEE ALSO 38.Xr string 3 39.Sh STANDARDS 40The 41.Fn strlen 42function 43conforms to 44.St -ansiC . 45