Fich: copiar fichero en otro

#include <stdio.h>

int main(){
	FILE *file1, *file2;
	int data1 = 0;
	
	file1 = fopen("original.txt","r");
	file2 = fopen ("copia.txt","w");
	
	while((data1 = fgetc(file1))!=EOF){
		fputc(data1,file2);
	}
	fclose(file1);
	fclose(file2);
	
	system("pause");
	return 0;
}