header: malloc.h standards: - gnu merge_yaml_files: - stdlib-malloc.yaml macros: - macro_name: M_PURGE macro_header: malloc-macros.h - macro_name: M_PURGE_ALL macro_header: malloc-macros.h functions: - name: malloc_usable_size standards: - gnu return_type: size_t arguments: - type: void * - name: mallopt standards: - gnu return_type: int arguments: - type: int - type: int - name: pvalloc standards: - bsd - gnu return_type: void * arguments: - type: size_t