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| explain_feof_or_die(3) | FreeBSD Library Functions Manual | explain_feof_or_die(3) |
NAME
explain_feof_or_die - check and reset stream status and report errorsSYNOPSIS
#include <libexplain/feof.h>void explain_feof_or_die(FILE *fp);
int explain_feof_on_error(FILE *fp);
DESCRIPTION
The explain_feof_or_die function is used to call the feof(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_feof(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_feof_on_error function is used to call the feof(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_feof(3) function, but still returns to the caller.
- fp
- The fp, exactly as to be passed to the feof(3) system call.
RETURN VALUE
The explain_feof_or_die function only returns on success, see feof(3) for more information. On failure, prints an explanation and exits, it does not return.The explain_feof_on_error function always returns the value return by the wrapped feof(3) system call.
EXAMPLE
The explain_feof_or_die function is intended to be used in a fashion similar to the following example:explain_feof_or_die(fp);
SEE ALSO
- feof(3)
- check and reset stream status
- explain_feof(3)
- explain feof(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2010 Peter Miller
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