ctl_handler      1003 include/linux/sysctl.h extern ctl_handler sysctl_data;
ctl_handler      1004 include/linux/sysctl.h extern ctl_handler sysctl_string;
ctl_handler      1005 include/linux/sysctl.h extern ctl_handler sysctl_intvec;
ctl_handler      1006 include/linux/sysctl.h extern ctl_handler sysctl_jiffies;
ctl_handler      1007 include/linux/sysctl.h extern ctl_handler sysctl_ms_jiffies;
ctl_handler      1061 include/linux/sysctl.h 	ctl_handler *strategy;		/* Callback function for all r/w */