extern long uti_syscall6(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4, long arg5);
extern long uti_syscall3(long syscall_number, long arg0, long arg1, long arg2);
extern long uti_syscall1(long syscall_number, long arg0);
extern long uti_syscall0(long syscall_number);