isdn_ppp_compressor  116 include/linux/isdn_ppp.h   struct isdn_ppp_compressor *next, *prev;
isdn_ppp_compressor  240 include/linux/isdn_ppp.h   struct isdn_ppp_compressor *compressor,*decompressor;
isdn_ppp_compressor  241 include/linux/isdn_ppp.h   struct isdn_ppp_compressor *link_compressor,*link_decompressor;