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/*
* Copyright 2011-2018 Brad Lanam, Walnut Creek, CA
* Copyright 2023-2025 Brad Lanam, Pleasant Hill, CA
*/
#ifndef INC_GETOPTN_H
#define INC_GETOPTN_H
#include "config.h"
#if _hdr_stddef
# include <stddef.h>
#endif
#if _sys_types \
&& ! defined (DI_INC_SYS_TYPES_H) /* xenix */
# define DI_INC_SYS_TYPES_H
# include <sys/types.h>
#endif
# if defined (__cplusplus) || defined (c_plusplus)
extern "C" {
# endif
#define GETOPTN_NOTFOUND -1
/* option style */
/* GETOPTN_LEGACY:
* -ab processes both -a and -b flags.
* GETOPTN_MODERN:
* -ab processes -ab flag.
*/
#define GETOPTN_LEGACY (1 >> 0)
#define GETOPTN_MODERN (1 >> 1)
#define GETOPTN_HAS_ARGV0 (1 >> 2)
/* option types */
#define GETOPTN_BOOL 0 /* flips the value */
#define GETOPTN_INT 1
#define GETOPTN_LONG 2
#define GETOPTN_DOUBLE 3
#define GETOPTN_STRING 4
#define GETOPTN_STRPTR 5
#define GETOPTN_FUNC_BOOL 6
#define GETOPTN_FUNC_VALUE 7
#define GETOPTN_ALIAS 8
#define GETOPTN_IGNORE 9
#define GETOPTN_IGNORE_ARG 10
#define GETOPTN_SIZET 11
typedef struct {
const char *option;
void * valptr;
void *value2;
Size_t valsiz;
int option_type;
} getoptn_opt_t;
extern int getoptn (int style, int argc, const char * argv [],
int optcount, getoptn_opt_t opts [], int offset, int *errorCount);
# if defined (__cplusplus) || defined (c_plusplus)
}
# endif
#endif /* INC_GETOPTN_H */
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