2750 	struct perf_pipe_file_header f_header;  in perf_header__write_pipe()  local
2756 	f_header = (struct perf_pipe_file_header){  in perf_header__write_pipe()
2758 		.size	   = sizeof(f_header),  in perf_header__write_pipe()
2761 	err = do_write(&ff, &f_header, sizeof(f_header));  in perf_header__write_pipe()
2774 	struct perf_file_header f_header;  in perf_session__write_header()  local
2783 	lseek(fd, sizeof(f_header), SEEK_SET);  in perf_session__write_header()
2821 	f_header = (struct perf_file_header){  in perf_session__write_header()
2823 		.size	   = sizeof(f_header),  in perf_session__write_header()
2836 	memcpy(&f_header.adds_features, &header->adds_features, sizeof(header->adds_features));  in perf_session__write_header()
2839 	err = do_write(&ff, &f_header, sizeof(f_header));  in perf_session__write_header()
3148 	struct perf_pipe_file_header f_header;  in perf_header__read_pipe()  local
3150 	if (perf_file_header__read_pipe(&f_header, header,  in perf_header__read_pipe()
3256 	struct perf_file_header	f_header;  in perf_session__read_header()  local
3271 	if (perf_file_header__read(&f_header, header, fd) < 0)  in perf_session__read_header()
3280 	if (f_header.data.size == 0) {  in perf_session__read_header()
3286 	nr_attrs = f_header.attrs.size / f_header.attr_size;  in perf_session__read_header()
3287 	lseek(fd, f_header.attrs.offset, SEEK_SET);  in perf_session__read_header()