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