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      1 /*	$NetBSD: getopt.h,v 1.1.1.1 2021/04/07 02:43:15 christos Exp $	*/
      2 #ifndef __GETOPT_H__
      3 #define __GETOPT_H__
      4 
      5 #ifdef __cplusplus
      6 extern "C" {
      7 #endif
      8 
      9 extern int opterr;		/* if error message should be printed */
     10 extern int optind;		/* index into parent argv vector */
     11 extern int optopt;		/* character checked for validity */
     12 extern int optreset;		/* reset getopt */
     13 extern char *optarg;		/* argument associated with option */
     14 
     15 struct option
     16 {
     17   const char *name;
     18   int has_arg;
     19   int *flag;
     20   int val;
     21 };
     22 
     23 #define no_argument       0
     24 #define required_argument 1
     25 #define optional_argument 2
     26 
     27 int getopt(int, char**, const char*);
     28 int getopt_long(int, char**, const char*, const struct option*, int*);
     29 
     30 #ifdef __cplusplus
     31 }
     32 #endif
     33 
     34 #endif /* __GETOPT_H__ */
     35