text: 
  #ifndef NNG_SUPPLEMENTAL_UTIL_OPTIONS_H
  #define NNG_SUPPLEMENTAL_UTIL_OPTIONS_H
  
  #include <stdbool.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  struct nng_optspec {
  	const char *o_name;
  	int         o_short;
  	int         o_val;
  	bool        o_arg;
  };
  
  typedef struct nng_optspec nng_optspec;
  
  /*NNG_DECL int nng_opts_parse(int argc, char *const *argv,
      const nng_optspec *opts, int *val, char **optarg, int *optidx);*/
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // NNG_SUPPLEMENTAL_UTIL_OPTIONS_H
  