taler_exchange_service.h taler_exchange_service.h struct TALER_EXCHANGE_Keys * TALER_EXCHANGE_get_keys taler_exchange_service.h (struct TALER_EXCHANGE_Handle *exchange) taler_mhd_lib.h taler_mhd_lib.h enum GNUNET_GenericReturnValue TALER_MHD_parse_post_json taler_mhd_lib.h (struct MHD_Connection *connection, void **con_cls, const char *upload_data, size_t *upload_data_size, json_t **json)