/* * A test program for GeekOS user mode */#include <conio.h>#include <geekos/syscall.h>int main(int argc, char **argv){    int badsys = -1, rc;    Print_String("I am the c program\n");    /* Make an illegal system call */    __asm__ __volatile__ (	SYSCALL	: "=a" (rc)	: "a" (badsys)    );    return 0;}