356 strcat(char *s1, const char *s2)  in strcat()  argument
358 	char *os1 = s1;  in strcat()
360 	while (*s1++ != '\0')  in strcat()
362 	s1--;  in strcat()
363 	while ((*s1++ = *s2++) != '\0')  in strcat()
379 strcmp(const char *s1, const char *s2)  in strcmp()  argument
381 	while (*s1 == *s2++)  in strcmp()
382 		if (*s1++ == '\0')  in strcmp()
384 	return (*(unsigned char *)s1 - *(unsigned char *)--s2);  in strcmp()
388 strncmp(const char *s1, const char *s2, size_t n)  in strncmp()  argument
390 	if (s1 == s2)  in strncmp()
393 	while (--n != 0 && *s1 == *s2++)  in strncmp()
394 		if (*s1++ == '\0')  in strncmp()
396 	return ((n == 0) ? 0 : *(unsigned char *)s1 - *(unsigned char *)--s2);  in strncmp()
435 strcasecmp(const char *s1, const char *s2)  in strcasecmp()  argument
438 	const unsigned char *us1 = (const unsigned char *)s1;  in strcasecmp()
448 strncasecmp(const char *s1, const char *s2, size_t n)  in strncasecmp()  argument
451 	const unsigned char *us1 = (const unsigned char *)s1;  in strncasecmp()
463 strcpy(char *s1, const char *s2)  in strcpy()  argument
465 	char *os1 = s1;  in strcpy()
467 	while ((*s1++ = *s2++) != '\0')  in strcpy()
473 strncpy(char *s1, const char *s2, size_t n)  in strncpy()  argument
475 	char *os1 = s1;  in strncpy()
478 	while (--n != 0 && (*s1++ = *s2++) != '\0')  in strncpy()
482 			*s1++ = '\0';  in strncpy()
502 	const char *s1, *s2;  in strstr()  local
506 	s1 = as1;  in strstr()
510 		return ((char *)s1);  in strstr()
513 	while (*s1)  in strstr()
514 		if (*s1++ == c) {  in strstr()
515 			tptr = s1;  in strstr()
516 			while ((c = *++s2) == *s1++ && c)  in strstr()
520 			s1 = tptr;  in strstr()
544 strncat(char *s1, const char *s2, size_t n)  in strncat()  argument
546 	char *os1 = s1;  in strncat()
549 	while (*s1++ != '\0')  in strncat()
551 	--s1;  in strncat()
552 	while ((*s1++ = *s2++) != '\0') {  in strncat()
554 			s1[-1] = '\0';  in strncat()