zt_maintinfo 276 src/ftmod/ftmod_zt/ftmod_zt.h #define ZT_MAINT _IOW (ZT_CODE, 11, struct zt_maintinfo)/* Set Maintenance Mode for a span */ zt_maintinfo 319 src/ftmod/ftmod_zt/ftmod_zt.h #define DAHDI_MAINT _IOW (DAHDI_CODE, 11, struct zt_maintinfo) /* Set Maintenance Mode for a span */