>Hi
>I fopen() and I modify the file, replace a string, and close files with fwrite(), fclose() function.
>With VC++, I did that and got success with its similar function(), but with VFP I didn’t
>Regard!

Are you expecting VFP to be 0 based as VC++ is? In VFP the first bit in a file is 1, in VC++ is 0. This might shed some light.