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 */