explain_puts_or_die man page
explain_puts_or_die — write a string and a newline to stdout and report errors
void explain_puts_or_die(const char *s);
int explain_puts_on_error(const char *s);
The explain_puts_or_die function is used to call the puts(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_puts(3) function, and then the process terminates by calling
The explain_puts_on_error function is used to call the puts(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_puts(3) function, but still returns to the caller.
The s, exactly as to be passed to the puts(3) system call.
The explain_puts_or_die function only returns on success, see puts(3) for more information. On failure, prints an explanation and exits, it does not return.
The explain_puts_on_error function always returns the value return by the wrapped puts(3) system call.
The explain_puts_or_die function is intended to be used in a fashion similar to the following example:
write a string and a trailing newline to stdout
explain puts(3) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2009 Peter Miller