dev_seq_start 1689 include/linux/netdevice.h extern void *dev_seq_start(struct seq_file *seq, loff_t *pos); dev_seq_start 2693 net/core/dev.c .start = dev_seq_start, dev_seq_start 184 net/core/dev_mcast.c .start = dev_seq_start, dev_seq_start 653 net/wireless/wext.c .start = dev_seq_start,