String Concatenation in C

This program is about Concatenate and print the given string without using pre-define functions.

Source Code

#include<stdio.h>
int main()
{
  int i,j,n,k=0;
  char a[100],b[100],c[100];
  printf("\nEnter the First String:");
  gets(a);
  printf("\nEnter the Second String:");
  gets(b);
  printf("\nGiven First String:");
  puts(a);
  printf("\nGiven Second String:");
  puts(b);
  for(i=0;a[i]!='\0';i++)
  {
    c[k]=a[i];
    k++;
  }
  for(i=0;b[i]!='\0';i++)
  {
    c[k]=b[i];
    k++;
  }
  printf("\nConcatenate Value is:%s",c);
  return 0;
}

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Output

Enter the First String:Tutor
Enter the Second String:Joe's
Given First String:Tutor

Given Second String:Joe's

Concatenate Value is:TutorJoe's

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