gluGetString
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## Name

gluGetString — return a string describing the GLU version or GLU extensions

## C Specification

`const GLubyte *`gluGetString`` | `(` | `GLenum `name`);`

## Python Specification

``gluGetString`` | `(` | ``name`) → `value``

## Parameters

`name`
  Specifies a symbolic constant, one of `GLU_VERSION`, or `GLU_EXTENSIONS`.

## Description

`gluGetString` returns a pointer to a static string describing the GLU version or the GLU extensions that are supported.

The version number is one of the following forms:

`major_number.minor_number`

`major_number.minor_number.release_number`.

The version string is of the following form:

`version number<space>vendor-specific information`

Vendor-specific information is optional. Its format and contents depend on the implementation.

The standard GLU contains a basic set of features and capabilities. If a company or group of companies wish to support other features, these may be included as extensions to the GLU. If `name` is `GLU_EXTENSIONS`, then `gluGetString` returns a space-separated list of names of supported GLU extensions. (Extension names never contain spaces.)

All strings are `NULL`-terminated.

## Notes

`gluGetString` only returns information about GLU extensions. Call `glGetString` to get a list of GL extensions.

`gluGetString` is an initialization routine. Calling it after a `glNewList` results in undefined behavior.

## Errors

`NULL` is returned if `name` is not `GLU_VERSION` or `GLU_EXTENSIONS`.

## See Also

glGetString

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