isdn_sll_hdr 198 src/ftmod/ftmod_isdn/ftmod_isdn.c struct isdn_sll_hdr *sll_hdr = (struct isdn_sll_hdr *)frame; isdn_sll_hdr 200 src/ftmod/ftmod_isdn/ftmod_isdn.c int offset = sizeof(struct isdn_sll_hdr);