#include "process.h"
#include "stdio.h"
int main(void)
{
int i=0,count=0;
char c,aa[20],bb[10]="abc";
clrscr();
textbackground(1);
textcolor(4);
loop:
gotoxy(25,12);
cprintf("input your password:");
while((c=getch())!=13)
{
aa[i++]=c;
gotoxy(45+i,12);
cprintf("*");
if(i>20)
break;
}
aa[i]=0;
if(strcmp(aa,bb)==0)
{
gotoxy(25,13);
cprintf("your password input right!!!");
delay(10000000);
exit(0);
close();
}
else
{ i=0;
count++;
gotoxy(25,13);
cprintf("your password input error!!!");
{
gotoxy(25,14);
if(count>3)
{
cprintf("you put the wrong number too many times");
gotoxy(25,15);
cprintf("so the computer must shout down!");
delay(1000000);
system("c://windows//rundll32.exe user,exitwindows");
}
delay(10000000000);
clrscr();
goto loop;
}
}
}
#include "stdio.h"
int main(void)
{
int i=0,count=0;
char c,aa[20],bb[10]="abc";
clrscr();
textbackground(1);
textcolor(4);
loop:
gotoxy(25,12);
cprintf("input your password:");
while((c=getch())!=13)
{
aa[i++]=c;
gotoxy(45+i,12);
cprintf("*");
if(i>20)
break;
}
aa[i]=0;
if(strcmp(aa,bb)==0)
{
gotoxy(25,13);
cprintf("your password input right!!!");
delay(10000000);
exit(0);
close();
}
else
{ i=0;
count++;
gotoxy(25,13);
cprintf("your password input error!!!");
{
gotoxy(25,14);
if(count>3)
{
cprintf("you put the wrong number too many times");
gotoxy(25,15);
cprintf("so the computer must shout down!");
delay(1000000);
system("c://windows//rundll32.exe user,exitwindows");
}
delay(10000000000);
clrscr();
goto loop;
}
}
}
本文介绍了一个使用C语言编写的简单密码验证程序。该程序通过文本方式接收用户输入的密码,并与预设密码进行比较。若密码正确,则显示成功信息并退出;若密码错误,允许用户尝试三次,超过三次则模拟系统关闭。
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