ref: 9a7daac8e7801a3ab7e5321780c8166139b37905
dir: /lib/c/stdio.c/
#include <stdio.h> static unsigned char inbuf[BUFSIZ]; static unsigned char outbuf[BUFSIZ]; FILE __iob[FOPEN_MAX] = { { .fd = 0, .buf = inbuf, .len = BUFSIZ, .flags = _IOREAD }, { .fd = 1, .buf = outbuf, .len = BUFSIZ, .flags = _IOWRITE | _IOLBF }, { .fd = 2, .buf = stderr->unbuf, .len = sizeof(stderr->unbuf), .flags = _IOWRITE }, };