Macro (un)definition at include/linux/isdnif.h, line 192 References: drivers/isdn/capi/capidrv.c, line 1462 drivers/isdn/hisax/config.c, line 724 drivers/isdn/i4l/isdn_common.c, line 443 drivers/isdn/icn/icn.c, line 673 drivers/isdn/icn/icn.c, line 1084 drivers/isdn/isdnloop/isdnloop.c, line 364 drivers/isdn/isdnloop/isdnloop.c, line 1007 drivers/isdn/pcbit/drv.c, line 771 include/linux/isdnif.h, line 192