#include <lib.h> #include <stdio.h> char __stdin[BUFSIZ]; char __stdout[BUFSIZ]; struct _io_buf _stdin = { 0, 0, READMODE, __stdin, __stdin }; struct _io_buf _stdout = { 1, 0, WRITEMODE + PERPRINTF, __stdout, __stdout }; struct _io_buf _stderr = { 2, 0, WRITEMODE + UNBUFF, (char *)NULL, (char *)NULL }; struct _io_buf *_io_table[NFILES] = { &_stdin, &_stdout, &_stderr, 0 };