int register_kretprobe(struct kretprobe *rp) 
int __kprobes register_kretprobe(struct kretprobe *rp) 
int register_kretprobe(struct kretprobe *rp){	return -ENOSYS;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d0aaff9796c3310326d10da44fc0faed352a1d29/kprobes.c/clean/kernel/kprobes.c