基本内容

函数名: harderr

功 能: 建立一个硬件错误处理程序

用 法: void harderr(int (*fptr)());

程序例:

/*This program will trap disk errors and prompt

the user for action. Try running it with no

disk in drive A: to invoke its functions.*/

#include

#include

#include

#define IGNORE 0

#define RETRY 1

#define ABORT 2

int buf[500];

/*define the error messages for trapping disk problems*/

static char *err_msg[] = {

"write protect",

"unknown unit",