c_g_type_register_fundamental

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)
GType function(GType typeId, const(char)* typeName, GTypeInfo* info, GTypeFundamentalInfo* finfo, GTypeFlags flags) c_g_type_register_fundamental;

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