diff options
Diffstat (limited to 'src/getopt.h')
| -rw-r--r-- | src/getopt.h | 72 |
1 files changed, 33 insertions, 39 deletions
diff --git a/src/getopt.h b/src/getopt.h index 73ec1b7..e8fe13f 100644 --- a/src/getopt.h +++ b/src/getopt.h @@ -21,8 +21,7 @@ #define _GETOPT_H 1 #ifdef __cplusplus -extern "C" -{ +extern "C" { #endif /* For communication from `getopt' to the caller. @@ -31,7 +30,7 @@ extern "C" 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 @@ -45,16 +44,16 @@ extern "C" 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 @@ -77,19 +76,18 @@ extern "C" 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'. */ @@ -102,35 +100,31 @@ extern "C" /* 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(int argc, char *const *argv, const char *shortopts); +#else /* not __GNU_LIBRARY__ */ #ifndef __cplusplus /* C++ is more pedantic, and demands a full prototype, not this. Hope that stdlib.h has a prototype for `getopt'. */ - extern int getopt(); -#endif /* __cplusplus */ -#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(); +#endif /* __cplusplus */ +#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 */ |