Re: [c-prog] error checking

[John Gaughan]

Bill Cunningham wrote:
>     It makes no difference I've tried both those. If I try it the third way 
> it doesn't seem to want to compile.
>   

What about this?

char a[]="hello\n";
FILE *fp;
fp=fopen("file","a");
if (fp==(FILE*)NULL) {
  puts("fopen error");
  exit(1);
}

When in doubt, casting NULL seems to work for me.

-- 
John Gaughan