--- Net2/stand/printf.c	2018/04/24 18:03:54	1.1
+++ Net2/stand/printf.c	2018/04/24 18:04:14	1.1.1.2
@@ -95,6 +95,7 @@ reswitch:	switch (ch = *fmt++) {
 		case 'l':
 			lflag = 1;
 			goto reswitch;
+#ifdef notdef
 		case 'b':
 			ul = va_arg(ap, int);
 			p = va_arg(ap, char *);
@@ -115,6 +116,7 @@ reswitch:	switch (ch = *fmt++) {
 			if (set)
 				putchar('>');
 			break;
+#endif
 		case 'c':
 			ch = va_arg(ap, int);
 				putchar(ch & 0x7f);