TclStubs.Tcl_NRAddCallback

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
struct TclStubs
extern (C)
void function(Tcl_Interp* interp, Tcl_NRPostProc* postProcPtr, ClientData data0, ClientData data1, ClientData data2, ClientData data3) nothrow Tcl_NRAddCallback;

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