register_sysrq_key 1081 drivers/tty/sysrq.c int register_sysrq_key(int key, struct sysrq_key_op *op_p)
register_sysrq_key   64 include/linux/sysrq.h static inline int register_sysrq_key(int key, struct sysrq_key_op *op)