The second is zero ore more long option values (synonum for single char)
If colon is appended, it means the option takes an argument.
*/
-YAZ_EXPORT int options (const char *desc, char **argv, int argc, char **arg);
+YAZ_EXPORT int options(const char *desc, char **argv, int argc, char **arg);
#define YAZ_OPTIONS_ERROR (-1)
#define YAZ_OPTIONS_EOF (-2)