explain_popen_or_die man page
explain_popen_or_die — process I/O and report errors
FILE *explain_popen_or_die(const char *command, const char *flags);
The explain_popen_or_die function is used to call the popen(3) system call. On failure an explanation will be printed to stderr, obtained from explain_popen(3), and then the process terminates by calling
This function is intended to be used in a fashion similar to the following example:
FILE *fp = explain_popen_or_die(command, flags);
The command, exactly as to be passed to the popen(3) system call.
The flags, exactly as to be passed to the popen(3) system call.
This function only returns on success, see popen(3) for more information. On failure, prints an explanation and exits.
explain popen(3) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2009 Peter Miller