Date: Wed, 2 Mar 2005 02:15:07 +0100 From: Luyt <luyt@ovosoft.nl> To: freebsd-questions@freebsd.org Subject: Re: Word counting by Kernighan won't compile =( Message-ID: <200503020215.07877.luyt@ovosoft.nl> In-Reply-To: <20050301052323.29837.qmail@web51610.mail.yahoo.com> References: <20050301052323.29837.qmail@web51610.mail.yahoo.com>
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On Tuesday 01 March 2005 06:23, Mark Jayson Alvarez wrote:
> Sorry for asking this question here. I just thought
> that this might be a platform specific issue=). I'm
> reading this book(The C Programming Language 2nd
> Edition by Brian W. Kernighan. Upon reading the book,
> I came up with this example code. It says, it will
> count the number of words, lines and characters in the
> command line, until I send an EOF signal. I copied it
> verbatim and tried compiling it with plain "cc
> myprog.c"
#include<stdio.h>
#define IN 1
#define OUT 0
main()
{
int c, nl, nw, nc, state;
state = OUT;
nl = nw = nc = 0;
while ((c = getchar()) != EOF) {
++nc;
if (c == '\n')
++nl;
if (c == ' ' || c == '\n' || c == '\t')
state = OUT;
else if (state == OUT) {
state = IN;
++nw;
}
}
printf("%d %d %d\n", nl, nw, nc);
}
Compile & sample output:
luyt@Deschutes /home/luyt % gcc wc.c -o wc
luyt@Deschutes /home/luyt % ./wc <wc.c
24 73 349
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