Unnecessary Goto's - (nf)

[eric at whuxle.UUCP]

#R:allegra:-202800:whuxle:23200002:000:223
whuxle!npl    Dec  3 15:34:00 1983

While mark's formulation is by far the clearest so far, why not
try this?

	for( goodans = 0; !goodans ; printf("Try again\n") {
		printf("what's 2 plus 2? ");
		.......
		/* code which check results and sets goodans */
	}