concateneates funcation

#include<stdio.h>
#include<conio.h>
#include<string.h>
main()
{
      char source[]= "computer";
      char target[40]= "education";
     
     
      printf("\nFirst sting:%s\n", source);
      printf("\nSecond sting:%s\n", target); 
      strcat(target, source);
      printf("\nafter string concatenation:%s\n", target);
         

     
      getchar();
      }