setvbuf           621 main/streams/plain_wrapper.c 					return setvbuf(data->file, NULL, _IONBF, 0);
setvbuf           624 main/streams/plain_wrapper.c 					return setvbuf(data->file, NULL, _IOLBF, size);
setvbuf           627 main/streams/plain_wrapper.c 					return setvbuf(data->file, NULL, _IOFBF, size);