Function rust_tcl_sys::tcl::Tcl_PkgPresentEx

pub unsafe extern "C" fn Tcl_PkgPresentEx(
    interp: *mut Tcl_Interp, 
    name: *const c_char, 
    version: *const c_char, 
    exact: c_int, 
    clientDataPtr: *mut c_void
) -> *const c_char