I am traing to read and then to write.
I don't know why but I have to write before reading.
It doesn't work this way:
HELP plz \:Code:FILE *in, *out;
int i, max;
in = fopen ("x.txt","rt");
if (in == NULL)
return 0;
for (max = fgetc(in);!feof(in);max += fgetc(in) * i)
i *= 10;
fclose(in);