extern GLboolean GLAPIENTRY
_mesa_IsEnabled( GLenum cap );
+extern void
+_mesa_set_enablei(GLcontext *ctx, GLenum cap, GLuint index, GLboolean state);
+
+extern void GLAPIENTRY
+_mesa_DisableIndexed( GLenum cap, GLuint index );
+
+extern void GLAPIENTRY
+_mesa_EnableIndexed( GLenum cap, GLuint index );
+
+extern GLboolean GLAPIENTRY
+_mesa_IsEnabledIndexed( GLenum cap, GLuint index );
+
extern void GLAPIENTRY
_mesa_EnableClientState( GLenum cap );