Macros starting with `i' in sys

• IFTODT sys/dirent.h:75
• IFTOVT sys/vnode.h:174
• insque sys/systm.h:97
• _IO sys/ioctl.h:82
• _IOC sys/ioctl.h:80
• IOCBASECMD sys/ioctl.h:70
• IOCGROUP sys/ioctl.h:71
• IOCPARM_LEN sys/ioctl.h:69
• _IOR sys/ioctl.h:83
• _IOW sys/ioctl.h:84
• _IOWR sys/ioctl.h:86
• isbackground sys/tty.h:163
• isclr sys/param.h:166
• isctty sys/tty.h:158
• isset sys/param.h:165