c_gtk_cell_renderer_render

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GtkCellRenderer* cell, cairo_t* cr, GtkWidget* widget, GdkRectangle* backgroundArea, GdkRectangle* cellArea, GtkCellRendererState flags) c_gtk_cell_renderer_render;

Meta