int case_idx, char *dst, size_t dst_size);
const struct operation *expr_get_function (size_t idx);
-size_t expr_get_function_cnt (void);
+size_t expr_get_n_functions (void);
const char *expr_operation_get_name (const struct operation *);
const char *expr_operation_get_prototype (const struct operation *);
-int expr_operation_get_arg_cnt (const struct operation *);
+int expr_operation_get_n_args (const struct operation *);
#endif /* expr.h */