#define ptregs_execve sys_execve
#define ptregs_iopl sys_iopl
#define ptregs_vm86old sys_vm86old
-#define ptregs_sigreturn sys_sigreturn
#define ptregs_clone sys_clone
#define ptregs_vm86 sys_vm86
-#define ptregs_rt_sigreturn sys_rt_sigreturn
#define ptregs_sigaltstack sys_sigaltstack
#define ptregs_vfork sys_vfork