Macro (un)definition at include/linux/isdnif.h, line 123 References: drivers/isdn/act2000/module.c, line 312 drivers/isdn/capi/capidrv.c, line 1595 drivers/isdn/gigaset/i4l.c, line 220 drivers/isdn/hisax/callc.c, line 1527 drivers/isdn/i4l/isdn_net.c, line 657 drivers/isdn/i4l/isdn_tty.c, line 669 drivers/isdn/icn/icn.c, line 1305 drivers/isdn/isdnloop/isdnloop.c, line 1188 drivers/isdn/pcbit/drv.c, line 257 include/linux/isdnif.h, line 123