c_gtk_source_buffer_get_source_marks_at_iter

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)
GSList* function(GtkSourceBuffer* buffer, GtkTextIter* iter, gchar* category) c_gtk_source_buffer_get_source_marks_at_iter;

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