1 files changed, 2 insertions, 2 deletions
diff --git a/arg.h b/arg.h
index 971fc79..4f35620 100644
--- a/arg.h
+++ b/arg.h
@@ -9,7 +9,7 @@
 extern char *argv0;
 
 /* use main(int argc, char *argv[]) */
-#define ARGBEGIN	for (argv0 = *argv, argv++, argc--;\
+#define ARGBEGIN	do { for (argv0 = *argv, argv++, argc--;\
 					argv[0] && argv[0][0] && argv[0][1];\
 					argc--, argv++) {\
 				char argc_;\
@@ -55,7 +55,7 @@ extern char *argv0;
 				} else {\
 					break;\
 				}\
-			}
+			} } while (0)
 
 #define ARGC()		argc_