/* strcmp.c - compare two strings, string */ /* Copyright 1992-1993 Wind River Systems, Inc. */ /* modification history -------------------- 01c,25feb93,jdi documentation cleanup for 5.1. 01b,20sep92,smb documentation additions 01a,08jul92,smb written and documented. */ /* DESCRIPTION INCLUDE FILES: string.h SEE ALSO: American National Standard X3.159-1989 NOMANUAL */ #include "vxWorks.h" #include "string.h" /******************************************************************************* * * strcmp - compare two strings lexicographically (ANSI) * * This routine compares string to string lexicographically. * * INCLUDE FILES: string.h * * RETURNS: An integer greater than, equal to, or less than 0, * according to whether is lexicographically * greater than, equal to, or less than , respectively. */ int strcmp ( const char * s1, /* string to compare */ const char * s2 /* string to compare to */ ) { while (*s1++ == *s2++) if (s1 [-1] == EOS) return (0); return ((s1 [-1]) - (s2 [-1])); }
