TclStubs.tcl_PkgRequire

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)
const(char)* function(Tcl_Interp* interp, const(char)* name, const(char)* version_, int exact) nothrow tcl_PkgRequire;

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