#include <stdlib.h>#include <assert.h>#include <register.h>static jintsome_random_name (JNIEnv *env, jclass k, jint v){  return v - 1;}JNIEXPORT jint JNICALLJNI_OnLoad (JavaVM *vm, void *nothing){  JNIEnv *env;  JNINativeMethod meth;  jclass k;  jint r;  r = (*vm)->GetEnv (vm, (void **) &env, JNI_VERSION_1_2);  assert (r == JNI_OK);  k = (*env)->FindClass (env, "register");  assert (k != NULL);  meth.name = "doit";  meth.signature = "(I)I";  meth.fnPtr = some_random_name;  r = (*env)->RegisterNatives (env, k, &meth, 1);  assert (r == JNI_OK);  return JNI_VERSION_1_2;}