char *InputPassword(int len) {
int i=0;
int Key=0;
char *Password; Password=(char *)malloc(len+1);
while(1) {
Key=getch();
/*處理回車鍵*/
if (Key==13) {
Password[i]='\0';
break;
}
else {
/*處理BackSpace鍵*/
if (Key==8) {
if (i>0) {
i--;
printf("\b");
printf(" ");
printf("\b");
}
}
else {
/*判斷是否超過位數*/
if (i<len) {
/*記錄按鍵*/
Password[i]=Key;
i++;
printf("*");
}
}
}
sleep(0);
} return Password;
}int main(void) {
char *Password; printf("Enter password:");
Password=InputPassword(8); printf("\n\nYour password is:%s",Password);
system("pause>nul"); return 0;
}