Defined in 3 files as a macro:

• drivers/char/selection.c, line 221 (as a macro)
• include/asm-x86_64/ioctl.h, line 258 (as a macro)
• include/linux/cciss_ioctl.h, line 258 (as a macro)

Referenced in 5 files:

• drivers/usb/hcd/ohci-q.c, line 3056
• include/asm-s390x/shmbuf.h, line 3036
• include/asm-x86_64/ioctl.h, line 2687
• include/linux/bfs_fs.h, line 3079
• include/linux/cciss_ioctl.h, line 2688