catenation.c

// C Program to concatenate
// two strings without using strcat

#include <stdio.h>

int main()
{

    // Get the two Strings to be concatenated
    char str1[100] = "Geeks", str2[100] = "World";

    // Declare a new Strings
    // to store the concatenated String
    char str3[100];

    int i = 0, j = 0;

    printf("\nFirst string: %s", str1);
    printf("\nSecond string: %s\n", str2);

    //Insert the first string in the new string


while (str1[i]!='\0') {
  str3[j]=str1[i];
  i++;
  j++;
  /* code */
}
i=0;
while (str2[i]!='\0') {
  str3[j]=str2[i];
  i++;
  j++;
  /* code */
}

printf("concatenated string %s",str3);
return 0;
}

// while (str1[i] != '\0') {
//     str3[j] = str1[i];
//     i++;
//     j++;
// }
//
// // Insert the second string in the new string
// i = 0;
// while (str2[i] != '\0') {
//     str3[j] = str2[i];
//     i++;
//     j++;
// }
// str3[j] = '\0';
//
// // Print the concatenated string
// printf("\nConcatenated string: %s", str3);
//
// return 0;
// }