public static extern syscall_arg syscall(syscall_arg number, syscall_arg arg1, syscall_arg arg2, syscall_arg arg3, syscall_arg arg4, syscall_arg arg5, syscall_arg arg6, syscall_arg arg7);
public static extern syscall_arg syscall(syscall_arg number);
public static extern syscall_arg syscall(syscall_arg number, syscall_arg arg1, syscall_arg arg2, syscall_arg arg3);
private static extern int _ioctl(int fd, syscall_arg request, syscall_arg arg);