c types problem

Svante Lindahl zap at duvan.UUCP
Tue Jan 14 15:48:29 AEST 1986

In article <1237 at gitpyr.UUCP> ken at gitpyr.UUCP (Ken Hall) writes:
>May I ask a stupid question?  Would somebody post or send me a very short
>C program that open a file, write something to it, then closes it?

% cat > foo.c
#include <stdio.h>
	FILE *fopen(), *fp;

	if ((fp = fopen("/dev/tty","w")) == NULL) {
		(void) fprintf(stderr, "Can't open /dev/tty\n");
	(void) fprintf(fp, "Go buy yourself a C-book!\n");
	(void) fclose(fp);
% cc foo.c
% a.out
Go buy yourself a C-book!

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