Function gnunet_sys::GNUNET_CONFIGURATION_get_value_choice

pub unsafe extern "C" fn GNUNET_CONFIGURATION_get_value_choice(
    cfg: *const GNUNET_CONFIGURATION_Handle, 
    section: *const c_char, 
    option: *const c_char, 
    choices: *const *const c_char, 
    value: *mut *const c_char
) -> GNUNET_GenericReturnValue

Get a configuration value that should be in a set of predefined strings

@param cfg configuration to inspect @param section section of interest @param option option of interest @param choices NULL-terminated list of legal values @param value will be set to an entry in the legal list, or NULL if option is not specified and no default given @return #GNUNET_OK on success, #GNUNET_SYSERR on error