111 	char *format, *fmt, *start;  in main()  local
150 	fmt = format = *argv;  in main()
151 	escape(fmt, 1, &len);		/* backslash interpretation */  in main()
161 		start = fmt;  in main()
162 		while (fmt < format + len) {  in main()
163 			if (fmt[0] == '%') {  in main()
164 				fwrite(start, 1, fmt - start, stdout);  in main()
165 				if (fmt[1] == '%') {  in main()
168 					fmt += 2;  in main()
170 					fmt = printf_doformat(fmt, &rval);  in main()
171 					if (fmt == NULL || fmt == end_fmt) {  in main()
175 						return (fmt == NULL ? 1 : rval);  in main()
179 				start = fmt;  in main()
181 				fmt++;  in main()
194 		fwrite(start, 1, fmt - start, stdout);  in main()
202 		fmt = format;  in main()
210 printf_doformat(char *fmt, int *rval)  in printf_doformat()  argument
215 	char start[strlen(fmt) + 1];  in printf_doformat()
224 	fmt++;  in printf_doformat()
227 	l = strspn(fmt, digits);  in printf_doformat()
228 	if ((l > 0) && (fmt[l] == '$')) {  in printf_doformat()
229 		int idx = atoi(fmt);  in printf_doformat()
237 		fmt += l + 1;  in printf_doformat()
246 	while (*fmt && strchr(skip1, *fmt) != NULL) {  in printf_doformat()
247 		*dptr++ = *fmt++;  in printf_doformat()
251 	if (*fmt == '*') {  in printf_doformat()
253 		fmt++;  in printf_doformat()
254 		l = strspn(fmt, digits);  in printf_doformat()
255 		if ((l > 0) && (fmt[l] == '$')) {  in printf_doformat()
256 			int idx = atoi(fmt);  in printf_doformat()
266 			fmt += l + 1;  in printf_doformat()
284 		while (isdigit(*fmt)) {  in printf_doformat()
285 			*dptr++ = *fmt++;  in printf_doformat()
290 	if (*fmt == '.') {  in printf_doformat()
292 		fmt++;  in printf_doformat()
295 		if (*fmt == '*') {  in printf_doformat()
297 			fmt++;  in printf_doformat()
298 			l = strspn(fmt, digits);  in printf_doformat()
299 			if ((l > 0) && (fmt[l] == '$')) {  in printf_doformat()
300 				int idx = atoi(fmt);  in printf_doformat()
310 				fmt += l + 1;  in printf_doformat()
327 			while (isdigit(*fmt)) {  in printf_doformat()
328 				*dptr++ = *fmt++;  in printf_doformat()
334 	if (!*fmt) {  in printf_doformat()
338 	*dptr++ = *fmt;  in printf_doformat()
351 	if (*fmt == 'L') {  in printf_doformat()
353 		fmt++;  in printf_doformat()
354 		if (!strchr("aAeEfFgG", *fmt)) {  in printf_doformat()
355 			warnx("bad modifier L for %%%c", *fmt);  in printf_doformat()
367 	convch = *fmt;  in printf_doformat()
368 	nextch = *++fmt;  in printf_doformat()
370 	*fmt = '\0';  in printf_doformat()
442 	*fmt = nextch;  in printf_doformat()
444 	return (fmt);  in printf_doformat()
474 escape(char *fmt, int percent, size_t *len)  in escape()  argument
479 	for (save = store = fmt; ((c = *fmt) != 0); ++fmt, ++store) {  in escape()
484 		switch (*++fmt) {  in escape()
492 			*store = *fmt;  in escape()
526 			c = (!percent && *fmt == '0') ? 4 : 3;  in escape()
528 			    c-- && *fmt >= '0' && *fmt <= '7'; ++fmt) {  in escape()
530 				value += *fmt - '0';  in escape()
532 			--fmt;  in escape()
540 			*store = *fmt;  in escape()