#define _GETOPT_H 1
#ifdef __cplusplus
-extern "C" {
+extern "C" {
#endif
/* For communication from `getopt' to the caller.
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
-extern char *optarg;
+ extern char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
Otherwise, `optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
-extern int optind;
+ extern int optind;
/* Callers store zero here to inhibit the error message `getopt' prints
for unrecognized options. */
-extern int opterr;
+ extern int opterr;
/* Set to an option character which was unrecognized. */
-extern int optopt;
+ extern int optopt;
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
one). For long options that have a zero `flag' field, `getopt'
returns the contents of the `val' field. */
-struct option
-{
+ struct option {
#if defined (__STDC__) && __STDC__
- const char *name;
+ const char *name;
#else
- char *name;
+ char *name;
#endif
- /* has_arg can't be an enum because some compilers complain about
- type mismatches in all the code that assumes it is an int. */
- int has_arg;
- int *flag;
- int val;
-};
+ /* has_arg can't be an enum because some compilers complain about
+ type mismatches in all the code that assumes it is an int. */
+ int has_arg;
+ int *flag;
+ int val;
+ };
/* Names for the values of the `has_arg' field of `struct option'. */
/* Many other libraries have conflicting prototypes for getopt, with
differences in the consts, in stdlib.h. To avoid compilation
errors, only prototype getopt for the GNU C library. */
-extern int getopt (int argc, char *const *argv, const char *shortopts);
-#else /* not __GNU_LIBRARY__ */
-extern int getopt ();
-#endif /* __GNU_LIBRARY__ */
-extern int getopt_long (int argc, char *const *argv, const char *shortopts,
- const struct option *longopts, int *longind);
-extern int getopt_long_only (int argc, char *const *argv,
- const char *shortopts,
- const struct option *longopts, int *longind);
+ extern int getopt(
+ int argc,
+ char *const *argv,
+ const char *shortopts);
+#else /* not __GNU_LIBRARY__ */
+ extern int getopt(
+ );
+#endif /* __GNU_LIBRARY__ */
+ extern int getopt_long(
+ int argc,
+ char *const *argv,
+ const char *shortopts,
+ const struct option *longopts,
+ int *longind);
+ extern int getopt_long_only(
+ int argc,
+ char *const *argv,
+ const char *shortopts,
+ const struct option *longopts,
+ int *longind);
/* Internal only. Users should not call this directly. */
-extern int _getopt_internal (int argc, char *const *argv,
- const char *shortopts,
- const struct option *longopts, int *longind,
- int long_only);
-#else /* not __STDC__ */
-extern int getopt ();
-extern int getopt_long ();
-extern int getopt_long_only ();
-
-extern int _getopt_internal ();
-#endif /* __STDC__ */
+ extern int _getopt_internal(
+ int argc,
+ char *const *argv,
+ const char *shortopts,
+ const struct option *longopts,
+ int *longind,
+ int long_only);
+#else /* not __STDC__ */
+ extern int getopt(
+ );
+ extern int getopt_long(
+ );
+ extern int getopt_long_only(
+ );
+
+ extern int _getopt_internal(
+ );
+#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
-
-#endif /* _GETOPT_H */
+#endif /* _GETOPT_H */