1 files changed, 38 insertions, 0 deletions
diff --git a/doc/gl-docs/GLU/nurbscallbackdataext.3gl b/doc/gl-docs/GLU/nurbscallbackdataext.3gl
new file mode 100644
index 000000000..8ff424ea6
--- /dev/null
+++ b/doc/gl-docs/GLU/nurbscallbackdataext.3gl
@@ -0,0 +1,38 @@
+'\" 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 nurbscal
+.ds Xs 36770 3 nurbscallbackdataext.gl
+.TH GLUNURBSCALLBACKDATAEXT 3G
+.SH NAME
+.B "gluNurbsCallbackDataEXT
+\- set a user data pointer
+
+.SH C SPECIFICATION
+void \f3gluNurbsCallbackDataEXT\fP(
+GLUnurbs* \fInurb\fP,
+.nf
+.ta \w'\f3void \fPgluNurbsCallbackDataEXT( 'u
+	GLvoid* \fIuserData\fP )
+.fi
+
+.EQ
+delim $$
+.EN
+.SH PARAMETERS
+.TP \w'\fIuserData\fP\ \ 'u 
+\f2nurb\fP
+Specifies the NURBS object (created with \%\f3gluNewNurbsRenderer\fP).
+.TP
+\f2userData\fP
+Specifies a pointer to the user's data.
+.SH DESCRIPTION
+\%\f3gluNurbsCallbackDataEXT\fP is used to pass a pointer to the application's data to NURBS
+tessellator. A copy of this pointer will be passed by the tessellator
+in the NURBS callback functions (set by \%\f3gluNurbsCallback\fP).
+.SH SEE ALSO
+\%\f3gluNurbsCallback(3G)\fP