Ghi file text

#include "stdio.h"
#include "string.h"

void main( )
{
//Khai bao bien
   FILE *file;
   int songuyen;
   float sothuc;
   char chuoikytu[100];
   
//Mo file
   file = fopen("KQ.txt", "wb");
   if(file == NULL)
   {
      printf("Khong tao duoc file de ghi");
      return;
   }

//nhap gia tri
   printf("Nhap so nguyen: ");
   scanf("%d", &songuyen);
   printf("Nhap so thuc: ");
   scanf("%f", &sothuc);
   printf("Nhap chuoi ky tu: ");
   fflush(stdin);      //xoa bo nho dem ban phim (khong can quan tam)
   gets(chuoikytu);
      
//ghi cac gia tri da nhap vao flie
   fprintf(file, "%d", songuyen);
   fprintf(file, "%f", sothuc);
   fprintf(file, "%s", chuoikytu);

//dong file da mo
   fclose(file);
//dung chuong trinh hexword de xem noi dung file duoi dang co so 16, tim hieu tai sao cac gia tri
//duoc ghi vao file la nhu vay
}