4BSD/usr/src/cmd/learn/lcount.c

Compare this file to the similar file:
Show the results in this format:

#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);
}