Basit Pass List oluşturma programı

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
int main() {
	
	printf("\n\t\t\tCoded By TheLastHacker");
	
	FILE *enf=fopen("şifre.txt","w");
	
	int ustsayi;
	int altsayi;
	
	printf("\n\n\t\t\t Alt Siniri Giriniz:");
	scanf("%d",&altsayi);
	
	printf("\n\t\t\t Ust Siniri Giriniz:");
	scanf("%d",&ustsayi);	
	fprintf(enf,"%d\n",altsayi);
	
	while(altsayi != ustsayi) {
		
		printf("%d\n",altsayi);
		
		altsayi++;
	fprintf(enf,"%d\n",altsayi);
	}
	fclose(enf);
	
	printf("%d",altsayi);
	
	printf("\n\n\t\t\t Islem Tamam!\n\n");
	printf("\n\t\t\tYazdirma isi bitti!\n\n\n");
	
	system("pause");
	
	return 0;
	
}