#include extern int write(int, void *, size_t); int main(int argc, char **argv) { (void)argc; (void)argv; write(1, "hello, runtime world!\r\n", -1); while (1); return 0; } struct kjarna_entry_params *entry_params; int kjarna_entry(struct kjarna_entry_params *params) { entry_params = params; entry_params->interface->write(1, "hello, entry world\r\n", -1); return main(params->argc, params->argv); }