4.1cBSD/usr/src/usr.bin/learn/lcount.c

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#ifndef lint
static char sccsid[] = "@(#)lcount.c	4.1	(Berkeley)	2/24/83";
#endif not lint

#include "stdio.h"

main()	/* count lines in something */
{
	register n, c;

	n = 0;
	while ((c = getchar()) != EOF)
		if (c == '\n')
			n++;
	printf("%d\n", n);
}