All symbols starting with `i' in ufs/lfs

• IFILE ufs/lfs/lfs.h:188
• if_nextfree ufs/lfs/lfs.h:194
• implementation ufs/lfs/readme:5
• INC_FINFO ufs/lfs/lfs_syscalls.c:54
• INOPB ufs/lfs/lfs.h:237
• int ufs/lfs/lfs_extern.h:93
• IS_FREESPACE ufs/lfs/lfs.h:361
• IS_IFILE ufs/lfs/lfs.h:319
• ISSPACE ufs/lfs/lfs.h:357
• ISSPACE_XXX ufs/lfs/lfs.h:364