Variables starting with `b' in kern

• bigadj kern/kern_time.c:140
• boothowto kern/init_main.c:91
• boottime kern/init_main.c:92
• bpp kern/vnode_if.src:439
• bucket kern/kern_malloc.c:45
• bufhash kern/vfs_bio.c:57
• bufhashtbl kern/vfs_bio.c:56
• buflist kern/vnode_if.src:457
• busyprt kern/vfs_subr.c:950