#include extern jbyte blob[]; extern int blob_size; JNIEXPORT jbyteArray JNICALL Java_com_termux_app_TermuxInstaller_getZip(JNIEnv *env, __attribute__((__unused__)) jobject This) { jbyteArray ret = (*env)->NewByteArray(env, blob_size); (*env)->SetByteArrayRegion(env, ret, 0, blob_size, blob); return ret; }