usr/src/lib/libc/string/strlen.c

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strlen.c    5.5 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/cdefs.h>
#include <string.h>

size_t
strlen(str)
        const char *str;
{
        register const char *s;

        for (s = str; *s; ++s);
        return(s - str);
}