1#include <stdio.h>23FILE __iob[FOPEN_MAX] = {4 {5 .fd = 0,6 .flags = _IOREAD,7 },8 {9 .fd = 1,10 .flags = _IOWRITE | _IOLBF,11 },12 {13 .fd = 2,14 .buf = stderr->unbuf,15 .len = sizeof(stderr->unbuf),16 .flags = _IOWRITE | _IONBF,17 .rp = stderr->unbuf,18 .wp = stderr->unbuf,19 },20};