C program to copy contents of one file to another

#include<stdio.h>
#include<conio.h>
void main()
{
char sk, source[15], target[15];
FILE *source_ptr, *target_ptr;
clrscr();
printf("Enter the source file name: ");
scanf("%s",source);
source_ptr=fopen(source,"r");
printf("Enter the target file name: ");
scanf("%s",target);
target_ptr=fopen(target,"w+");
if(source_ptr==NULL)
{
printf("No content!");
printf("\n press any key..");
getch();
exit(0);
}
while(!feof((source_ptr))
{
sk=getc(source_ptr));
putc(sk,target_ptr);
}
printf("The contents of the target file are: ");
printf("\n _ _ _ _ _ _ _ _\n");
rewind(target_ptr);
while(!feof((target_ptr))
{
sk=getc(target_ptr));
printf("%c",sk);
}
fclose(source_ptr);
fclose(target_ptr);
printf("\n Press any key ...");
getch();
}