ISDN_USAGE_MASK   219 include/linux/isdn.h #define USG_NONE(x)         ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NONE)
ISDN_USAGE_MASK   220 include/linux/isdn.h #define USG_RAW(x)          ((x & ISDN_USAGE_MASK)==ISDN_USAGE_RAW)
ISDN_USAGE_MASK   221 include/linux/isdn.h #define USG_MODEM(x)        ((x & ISDN_USAGE_MASK)==ISDN_USAGE_MODEM)
ISDN_USAGE_MASK   222 include/linux/isdn.h #define USG_VOICE(x)        ((x & ISDN_USAGE_MASK)==ISDN_USAGE_VOICE)
ISDN_USAGE_MASK   223 include/linux/isdn.h #define USG_NET(x)          ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NET)
ISDN_USAGE_MASK   224 include/linux/isdn.h #define USG_FAX(x)          ((x & ISDN_USAGE_MASK)==ISDN_USAGE_FAX)
ISDN_USAGE_MASK   226 include/linux/isdn.h #define USG_MODEMORVOICE(x) (((x & ISDN_USAGE_MASK)==ISDN_USAGE_MODEM) || \
ISDN_USAGE_MASK   227 include/linux/isdn.h                              ((x & ISDN_USAGE_MASK)==ISDN_USAGE_VOICE)     )