file progamming problem

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C

In my program I need to store the character corresponding to some ASCII value and then retrieved the character from the file and print its ASCII value.

The code for this program is given below

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

void main()
{
int ch;
FILE *fptr;
clrscr();
fptr=fopen("newtest1.txt","w++");
for(ch=0;ch<256;ch++)
fprintf(fptr,"%c",ch);
fclose(fptr);
fptr=fopen("newtest1.txt","r++");
for(;;)
{
ch=fgetc(fptr);
if(ch==EOF)
break;
printf("%d\t",ch);
}
getch();
}

but the problem is that it only gives output 1 to 25. after that it gets out of the loop and does not print the rest.I 'm using turbo C.
this program run goo in Linux environment.But I have to do the program in Turbo C.how can I read the value 26? please help.