SIMPLE SOLUTIONS

EXPLAIN_FPRINTF_OR_DIE - reference manual online

Formatted output conversion and report errors.

Chapter
explain_fprintf_or_die(3)            Library Functions Manual           explain_fprintf_or_die(3)

NAME explain_fprintf_or_die - formatted output conversion and report errors
SYNOPSIS #include <libexplain/fprintf.h> int explain_fprintf_or_die(FILE *fp, const char *format, ...); int explain_fprintf_on_error(FILE *fp, const char *format, ...);
DESCRIPTION The explain_fprintf_or_die function is used to call the fprintf(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_fprintf(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_fprintf_on_error function is used to call the fprintf(3) system call. On fail‐ ure an explanation will be printed to stderr, obtained from the explain_fprintf(3) func‐ tion, but still returns to the caller. fp The fp, exactly as to be passed to the fprintf(3) system call. format The format, exactly as to be passed to the fprintf(3) system call.
RETURN VALUE The explain_fprintf_or_die function only returns on success, see fprintf(3) for more information. On failure, prints an explanation and exits, it does not return. The explain_fprintf_on_error function always returns the value return by the wrapped fprintf(3) system call.
EXAMPLE The explain_fprintf_or_die function is intended to be used in a fashion similar to the following example: int result = explain_fprintf_or_die(fp, format, ...);
SEE ALSO fprintf(3) formatted output conversion explain_fprintf(3) explain fprintf(3) errors exit(2) terminate the calling process
explain_fprintf_or_die(3)
This manual Reference Other manuals
explain_fprintf_or_die(3) referred by explain(3) | explain_fprintf(3)
refer to _exit(2) | explain_fprintf(3) | printf(3)