libzapi

//  This is a draft class, and may change without notice. It is disabled in
//  stable builds by default. If you use this in applications, please ask
//  for it to be pushed to stable state. Use --enable-drafts to enable.
#ifdef CZMQ_BUILD_DRAFT_API
//  *** Draft method, for development use, may change without warning ***
//  Create a new zargs from command line arguments.
CZMQ_EXPORT zargs_t *
    zargs_new (int argc, char **argv);

//  *** Draft method, for development use, may change without warning ***
//  Destroy zargs instance.
CZMQ_EXPORT void
    zargs_destroy (zargs_t **self_p);

//  *** Draft method, for development use, may change without warning ***
//  Return program name (argv[0])
CZMQ_EXPORT const char *
    zargs_progname (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return number of positional arguments
CZMQ_EXPORT size_t
    zargs_arguments (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return first positional argument or NULL
CZMQ_EXPORT const char *
    zargs_first (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return next positional argument or NULL
CZMQ_EXPORT const char *
    zargs_next (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return first named parameter value, or NULL if there are no named
//  parameters, or value for which zargs_param_empty (arg) returns true.
CZMQ_EXPORT const char *
    zargs_param_first (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return next named parameter value, or NULL if there are no named
//  parameters, or value for which zargs_param_empty (arg) returns true.
CZMQ_EXPORT const char *
    zargs_param_next (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return current parameter name, or NULL if there are no named
//  parameters.
CZMQ_EXPORT const char *
    zargs_param_name (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Return value of named parameter, NULL if no given parameter has
//  been specified, or special value for wich zargs_param_empty ()
//  returns true.
CZMQ_EXPORT const char *
    zargs_param_lookup (zargs_t *self, const char *keys);

//  *** Draft method, for development use, may change without warning ***
//  Return value of named parameter(s), NULL if no given parameter has
//  been specified, or special value for wich zargs_param_empty ()
//  returns true.
CZMQ_EXPORT const char *
    zargs_param_lookupx (zargs_t *self, const char *keys, ...);

//  *** Draft method, for development use, may change without warning ***
//  Returns true if there are --help -h arguments
CZMQ_EXPORT bool
    zargs_has_help (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Returns true if parameter did not have a value
CZMQ_EXPORT bool
    zargs_param_empty (const char *arg);

//  *** Draft method, for development use, may change without warning ***
//  Print an instance of zargs.
CZMQ_EXPORT void
    zargs_print (zargs_t *self);

//  *** Draft method, for development use, may change without warning ***
//  Self test of this class.
CZMQ_EXPORT void
    zargs_test (bool verbose);

#endif // CZMQ_BUILD_DRAFT_API
Please add '@interface' section in './../src/zargs.c'.