_swrast_z_to_fogfactor(GLcontext *ctx, GLfloat z);
extern void
-_swrast_fog_rgba_span( const GLcontext *ctx, struct sw_span *span );
+_swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span );
extern void
-_swrast_fog_ci_span( const GLcontext *ctx, struct sw_span *span );
+_swrast_fog_ci_span( const GLcontext *ctx, SWspan *span );
#endif