int db_d_drop_column(void)
Drop column.
int(* db_driver_drop_column)(dbString *, dbString *)
void db_free_string(dbString *)
Free allocated space for dbString.
void db_init_string(dbString *)
Initialize dbString.
#define DB_SEND_SUCCESS()
#define DB_RECV_STRING(x)
#define DB_SEND_FAILURE()