c_gtk_source_file_loader_new_from_stream

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)
GtkSourceFileLoader* function(GtkSourceBuffer* buffer, GtkSourceFile* file, GInputStream* stream) c_gtk_source_file_loader_new_from_stream;

Meta