Source File include/getopt.h

    1    |
    2    | typedef struct {
    3    |   int optind;            /* index into parent argv vector */
    4    |   int optopt;            /* character checked for validity */
    5    |   int optreset;          /* reset getopt */
    6    |   char *optarg;          /* argument associated with option */
    7    |   char *place;           /* option letter processing */
    8    | } getopt_state_t;
    9    |
    10   | #define BADCH   (int)'?'
    11   | #define BADARG  (int)':'
    12   | #define EMSG    ""
    13   |
    14   |
    15   | getopt_state_t *mg_new(int optind);