1: #if defined(LIBC_SCCS) && !defined(lint) 2: static char sccsid[] = "@(#)strcmp.c 5.2 (Berkeley) 3/9/86"; 3: #endif LIBC_SCCS and not lint 4: 5: /* 6: * Compare strings: s1>s2: >0 s1==s2: 0 s1<s2: <0 7: */ 8: 9: strcmp(s1, s2) 10: register char *s1, *s2; 11: { 12: 13: while (*s1 == *s2++) 14: if (*s1++=='\0') 15: return(0); 16: return(*s1 - *--s2); 17: }