video2x/include/getopt.h

33 lines
697 B
C

#ifndef __GETOPT_H__
#define __GETOPT_H__
#ifdef __cplusplus
extern "C" {
#endif
extern int opterr; /* if error message should be printed */
extern int optind; /* index into parent argv vector */
extern int optopt; /* character checked for validity */
extern int optreset; /* reset getopt */
extern char *optarg; /* argument associated with option */
struct option {
const char *name;
int has_arg;
int *flag;
int val;
};
#define no_argument 0
#define required_argument 1
#define optional_argument 2
int getopt(int, char **, const char *);
int getopt_long(int, char **, const char *, const struct option *, int *);
#ifdef __cplusplus
}
#endif
#endif /* __GETOPT_H__ */