basic_login.c

#include<stdio.h>
#include<string.h>
#include<conio.h>

int main()
{
    char uName[20] = { '\0' };
    char passWord[20] = { '\0' };
    printf("please enter your name : ");
    gets_s(uName); //gcc gets() stdio.h
    printf("please enter your password :  ");
    //gets_s(passWord); //gcc gets() stdio.h
    //Enter မခေါက်မချင်း စာလုံးတစ်လုံးချင်းဖတ်ပြီး passWord array ထဲ ထည့်မယ်။
    //အဆုံးမှာ '\0' ထည့်ပေးလိုက်မယ်
    char ch = '\0';
    int i = 0;
    while (   (ch = _getch())   != '\r')
    {
        printf("*");
        passWord[i] = ch;
        i++;
    }
    printf("\n");



    if (    (strcmp(uName, "aung") == 0 ) && (strcmp(passWord, "1234") == 0)  )
    {
        puts("user name and password are OK!");
    }
    else {
        puts("user name and password are NOT OK!");
    }

    return 0;
}