Write a program in C, to Input two strings and swap them using strcpy() function. 1

#include<stdio.h>
#include<conio.h>

void main()
{
    int n;
    clrscr();
    char a[20], b[20], c[20];
    clrscr();
    printf("Enter 1st string:");
    gets(a);
    printf("Enter 2nd string:");
    gets(b);
    
    strcpy(c,a);
    strcpy(a,b);
    strcpy(b,c);
    
    printf("After swap string is:\n");
    printf("1st string is: %s\n2nd string is: %s",a,b);
    getch();
}