Sys2Seek

Move the read/write pointer to the specified location in an open file/stream; files larger than 2GB are supported (this function is a wrapper to DosSetFilePtrL).

Arguments

1. File handle (returned by Sys2Open). (REQUIRED)
2. The signed distance in bytes to move. (REQUIRED)
3. Move method, one of:

   B = Beginning of file

   C = Current position (DEFAULT)

   E = End of file

Return Value

The new file position, in bytes.