# CHAPTER 9: Manual Pages

This chapter provides the manual pages for the SQL Precompiler utilities and routine. The utility manual pages can also be found in the `$EMPRESSPATH/man` directory and can be printed using the command:

- For UNIX, using `nroff -man filename`.

- For Windows, using `type` or `more` command.

The following is the list of manual pages for Empress SQL Precompiler utilities and routine:

  Category | Sub-Category | Command
  C API |  | `empecc`
  |  | `empec++`
  |  | `empesql`

  The manual page for SQL Precompiler routine: | mpdfree

# mpdfree

Please note that, in Version 8.20, this function is replaced by `EXEC SQL FREE` statement.