H_FILEBOTTOM()   Move the file pointer to bottom of the file
H_FILEEOF() Determine if file pointer is at or beyond the EOF
H_FILESIZE() Find the size of a binary file
H_FILETOP() Position the file pointer at the top of the file
H_GETFPOS() Get the current file pointer position
H_PAGEFHEADER() Outputs a page header to a text file
H_PRINTFILE() Output text to a file
H_SAMEFROW() Output text to file on current row