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# 39. SGI IRIX Specific Services

The modules described in this chapter provide interfaces to features that are unique to SGI’s IRIX operating system (versions 4 and 5).

- 39.1. `al` — Audio functions on the SGI
  - 39.1.1. Configuration Objects
  - 39.1.2. Port Objects
- 39.2. `AL` — Constants used with the `al` module
- 39.3. `cd` — CD-ROM access on SGI systems
  - 39.3.1. Player Objects
  - 39.3.2. Parser Objects
- 39.4. `fl` — FORMS library for graphical user interfaces
  - 39.4.1. Functions Defined in Module `fl`
  - 39.4.2. Form Objects
  - 39.4.3. FORMS Objects
- 39.5. `FL` — Constants used with the `fl` module
- 39.6. `flp` — Functions for loading stored FORMS designs
- 39.7. `fm` — Font Manager interface
- 39.8. `gl` — Graphics Library interface
- 39.9. `DEVICE` — Constants used with the `gl` module
- 39.10. `GL` — Constants used with the `gl` module
- 39.11. `imgfile` — Support for SGI imglib files
- 39.12. `jpeg` — Read and write JPEG files