cg_iusedoff       389 ufs/ffs/fs.h   	int32_t	 cg_iusedoff;		/* (u_int8) used inode map */
cg_iusedoff       418 ufs/ffs/fs.h       : ((u_int8_t *)((u_int8_t *)(cgp) + (cgp)->cg_iusedoff)))