Checking for equality of two strings without recursion

Problem statement

Write a c program to check weather two given character strings are same or not,

Your program should ask the user to give input

#include<stdio.h>

int compair(char str1[],char str2[]);

int main()

{

  char str1[20],str2[30];

  int y;

  printf("enter string 1 ");

  scanf("%s",str1);

  printf("enter string 2 ");

  scanf("%s",str2);

  y=compair(str1,str2);

  if(y==1)

    {

      printf("strings arte same \n");

    }

  else

    {

      printf("string are different \n");

    }

  return 0;

}

int compair(char str1[],char str2[])

{

  int i=0;

  while(str1[i]!='\0')

    {

      if(str1[i]==str2[i])

    {

      i++;

    }

      else

    {

      return 0;

    }

    }

  if(str2[i]=='\0')

    {

      return 1;

    }

  else

    {

      return 0;

    }

}