Variables starting with `i' in kern

• implemented kern/syscalls.master:18
• included kern/syscalls.master:15
• inclusive kern/syscalls.master:23
• INITKMEMNAMES kern/kern_malloc.c:47
• initproc kern/init_main.c:78
• int kern/init_main.c:82
• ipc kern/sys_process.c:103
• isofs_vfsops kern/vfs_conf.c:71