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From: ked@garnet.berkeley.edu (Earl H. Kinmonth)
Newsgroups: misc.misc,comp.misc
Subject: Re: The "evil" GOTO (Was: 25 Years of BASIC)
Keywords: Guinness, phlegm, mackerel, intestines
Message-ID: <24047@agate.BERKELEY.EDU>
Date: 5 May 89 02:57:55 GMT
References: <1791@ubu.warwick.UUCP> <1436@onion.reading.ac.uk> <1814@ubu.warwick.UUCP> <11136@bloom-beacon.MIT.EDU>
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Organization: University of California, Berkeley
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>Indeed, this is a pretty bad example of where a goto would be useful,
>because you are simply illustrating what the purpose of the C do ...
>while construct is for:
>
>do {
>   fprintf(stdout, "Enter your sex (<m> or <f> only): ");
>   fflush(stdout);
>   fgets(stdin, sex, 2);
>   fflush(stdin);
>} while ((*sex != 'm') && (*sex != 'f'));

First, your C compiler must have a rather weird stdio library if it
requires you to to do explicit flushing.

Second, why not

	while(1)	{
		fputs("Sex (m or f) ",stdout);
		gets(ls);
		if(ls[0] == 'm')	return(ls[0]);
		else
		if(ls[0] == 'f')	return(ls[0]);
		}

as a subroutine?