PracticeDayFiveExercise4

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

void concatenate(char *str1, char *str2)
{
    int i = strlen(str1);
    int j = 0;
    while (str2[j] != '\0')
    {
        str1[i] = str2[j];
        i++;
        j++;
    }
    str1[i] = '\0';
}

int main()
{
  char string1[20];
  char string2[20];
  printf("Enter the first string: ");
  gets(string1);
  printf("Enter the second string: ");
  gets(string2);

  concatenate(string1, string2);

  printf("Concatenated string : ");
  puts(string1);

  return 0;
}