wap to concertinate the string by using standard library function (strcet).

 

#include<stdio.h>

#include<conio.h>

#include<string.h>

main()

{

  char a[20],b[20];

  printf("enter the 1st string :");

  scanf("%s",a);

  printf("enter the 2st string :");

  scanf("%s",b);

  

  

  printf("\nstring after concertinate %s",strcat(a,b));

}

output :

enter the 1st string :rahul enter the 2st string :chaurasiya string after concertinate rahulchaurasiya