api changes, check README

tests/test_version.cpp

@@ -0,0 +1,20 @@
+#include <cassert>
+#include "radhook/radhook.h"
+
+int main() {
+    int major = -1, minor = -1, patch = -1;
+    RadHookGetVersion(&major, &minor, &patch);
+
+    assert(major == RADHOOK_VERSION_MAJOR);
+    assert(minor == RADHOOK_VERSION_MINOR);
+    assert(patch == RADHOOK_VERSION_PATCH);
+
+    // individual out params may be omitted independently
+    int onlyMajor = -1;
+    RadHookGetVersion(&onlyMajor, nullptr, nullptr);
+    assert(onlyMajor == RADHOOK_VERSION_MAJOR);
+
+    // must not crash
+    RadHookGetVersion(nullptr, nullptr, nullptr);
+    return 0;
+}