Utilities
*********

The functions in this chapter perform various utility tasks, ranging
from helping C code be more portable across platforms, using Python
modules from C, and parsing function arguments and constructing Python
values from C values.

* Operating System Utilities

* System Functions

* Process Control

* Importing Modules

* Data marshalling support

* Parsing arguments and building values

  * Parsing arguments

    * Strings and buffers

    * Numbers

    * Other objects

    * API Functions

  * Building values

* String conversion and formatting

* Character classification and conversion

* PyHash API

* Reflection

* Codec registry and support functions

  * Codec lookup API

  * Registry API for Unicode encoding error handlers

  * Codec utility variables

* PyTime C API

  * Types

  * Clock Functions

  * Raw Clock Functions

  * Conversion functions

* Support for Perf Maps
