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first draft

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Alex
2022-04-13 18:01:39 +08:00
commit 906782e134
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35
antigetopt.h Normal file
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#ifndef __ANTIGETOPT_H
#define __ANTIGETOPT_H
/* special return codes */
enum { AGO_EOF=4000, AGO_ALONE, AGO_UNKNOWN, AGO_REQARG, AGO_RESET, AGO_AMBIG };
/* option flags */
#define AGO_NOARG (1<<0) /* no argument */
#define AGO_NEEDARG (1<<1) /* required argument */
#define AGO_OPTARG (1<<2) /* optional argument */
#define AGO_EXCEPT0 (1<<3) /* exception #0 */
#define AGO_EXCEPT1 (1<<4) /* exception #1 */
#define AGO_EXCEPT2 (1<<5) /* exception #3 */
#define AGO_ENDOFLIST (1<<15) /* end of argument list marker */
/* option list null term */
#define AGO_LIST_TERM {'\0',NULL,0,AGO_ENDOFLIST}
/* The structure that defines an argument */
struct ago_optlist {
char ao_short;
char *ao_long;
int ao_id;
int ao_flags;
};
extern char *ago_optarg;
extern char *ago_optname;
extern char ago_optchar;
int antigetopt(int argc, char **argv, struct ago_optlist *list);
void ago_gnu_error(char *pname, int error);
int ago_set_exception(int except_nr, int (*tester)(void), char *msg);
#endif /* __ANTIGETOPT_H */