'\" 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