try yourself |run program

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

void main(){ 
 char str1[50]; 
 char str2[50]; 
 clrscr(); 
  printf("write some thing:-"); 
  gets(str1); 
  strcpy(str2,str1); 
  puts(str2); 
 getch(); 
}

Program Output

write some thing:-hello world 
hello world