PHP_OUTPUT_HANDLER_INITBUF_SIZE  871 main/output.c  	handler->buffer.size = PHP_OUTPUT_HANDLER_INITBUF_SIZE(chunk_size);
PHP_OUTPUT_HANDLER_INITBUF_SIZE  886 main/output.c  			size_t grow_int = PHP_OUTPUT_HANDLER_INITBUF_SIZE(handler->size);
PHP_OUTPUT_HANDLER_INITBUF_SIZE  887 main/output.c  			size_t grow_buf = PHP_OUTPUT_HANDLER_INITBUF_SIZE(buf->used - (handler->buffer.size - handler->buffer.used));