Defined in 2 files as a externvar:

• Documentation/networking/tlan.txt, line 3648 (as a externvar)
• drivers/char/n_hdlc.c, line 3656 (as a externvar)

Referenced in 2 files:

• include/asm-sparc/posix_types.h, line 5043
• net/ipv4/icmp.c, line 3413