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  Date : 2006-11-29 17:01:51
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  Message : GLU manual pages from monolithic tree

• doc/gl-docs/GLU/getstring.3gl

• '\" e
  '\"! eqn | mmdoc
  '\"macro stdmacro
  .ds Vn Version 1.2
  .ds Dt 6 March 1997
  .ds Re Release 1.2.0
  .ds Dp May 02 11:53
  .ds Dm 37 getstring
  .ds Xs 20129 4 getstring.gl
  .TH GLUGETSTRING 3G
  .SH NAME
  .B "gluGetString
  \- return a string describing the GLU version or GLU extensions 
  
  .SH C SPECIFICATION
  const GLubyte * \f3gluGetString\fP(
  GLenum \fIname\fP )
  .nf
  .fi
  
  .SH PARAMETERS
  .TP \w'\f2name\fP\ \ 'u 
  \f2name\fP
  Specifies a symbolic constant, one of 
  \%\f3GLU_VERSION\fP, or \%\f3GLU_EXTENSIONS\fP.
  .SH DESCRIPTION
  \%\f3gluGetString\fP returns a pointer to a static string describing the 
  GLU version or the GLU extensions that are supported.
  .P
  The version number is one of the following
  forms: 
  .P
  \f2major_number.minor_number\fP  
  .br
  \f2major_number.minor_number.release_number\fP. 
  .P
  The version string is of the following form: 
  .P
  \f2version number<space>vendor-specific information\fP
  .P
  Vendor-specific information is optional.
  Its  and contents depend on the implementation.
  .P
  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 \f2name\fP is 
  \%\f3GLU_EXTENSIONS\fP, then \%\f3gluGetString\fP
  returns a space-separated list of names of supported GLU extensions.
  (Extension names never contain spaces.)
  .P
  All strings are null-terminated.
  .SH NOTES
  \%\f3gluGetString\fP only returns information about GLU extensions. Call
  \f3glGetString\fP to get a list of GL extensions.
  .P
  \%\f3gluGetString\fP is an initialization routine. Calling it after
  a \f3glNewList\fP results in undefined behavior.
  .SH ERRORS
  NULL is returned if \f2name\fP is not
  \%\f3GLU_VERSION\fP or \%\f3GLU_EXTENSIONS\fP.
  .P
  .SH SEE ALSO
  \f3glGetString(3G)\fP