[c-prog] Re: error checking

[John Matthews]

--- In c-prog@yahoogroups.com, "fund00_kr" <[EMAIL PROTECTED]> wrote:
>
>         if (nErrCode ==EOF) { /* use nErrCode to check what was 
> returned*/
> >            puts("close error");
> >            exit(EXIT_FAILURE);
> >            }

Instead of puts(), use:

    perror("fclose failed");

to (hopefully) tell you why it failed; needs errno.h.

John