shithub: scc

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cc1: Improve main loop

The for form was too obscure and a while loop makes
clearer the objective of the loop.

--- a/src/cmd/cc/cc1/main.c

+++ b/src/cmd/cc/cc1/main.c

@@ -98,8 +98,9 @@

 	if (onlycpp || onlyheader) {

 		outcpp();

 	} else {

-		for (next(); yytoken != EOFTOK; decl())

-			;

+		next();

+		while (yytoken != EOFTOK)

+			decl();

 	}

 	return failure;