1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)strlen.c 5.4 (Berkeley) 05/17/90"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <sys/stdc.h> 13 #include <string.h> 14 15 size_t 16 strlen(str) 17 const char *str; 18 { 19 register const char *s; 20 21 for (s = str; *s; ++s); 22 return(s - str); 23 } 24 25