/* Adapted from https://github.com/skeeto/getopt by Chris Wellons */ /* A minimal POSIX getopt() implementation in ANSI C * * This is free and unencumbered software released into the public domain. * * This implementation supports the convention of resetting the option * parser by assigning optind to 0. This resets the internal state * appropriately. * * Ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/getopt.html */ #ifndef GETOPT_H #define GETOPT_H extern int optind, opterr, optopt; extern char *optarg; int getopt(int argc, char * const argv[], const char *optstring); #endif