C Program to copy one string to another without using library functions

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In this program, You will learn how to copy one string to another without using library functions in c.

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strcpy(str2, str1);

Example: How to copy one string to another without using library functions in c.

#include<stdio.h>

int main() {

   char str1[100], str2[100];
   int i = 0, k;

   printf("Enter any string:");
   scanf("%[^\n]%*c", str1); 

   while (str1[i] != '\0') {
       str2[i] = str1[i];
       i++;
   }

   str2[i] = '\0';
   printf("First String is:%s", str1);
   printf("\nSecond copy string is:%s", str2);

   return 0;
}

Output:

Enter any string:Xiith.com
First String is:Xiith.com
Second copy string is:Xiith.com