Defined in 9 files as a macro:

• arch/alpha/boot/tools/objstrip.c, line 36 (as a macro)
• include/asm-alpha/signal.h, line 42 (as a macro)
• include/asm-i386/signal.h, line 19 (as a macro)
• include/asm-m68k/signal.h, line 19 (as a macro)
• include/asm-mips/signal.h, line 58 (as a macro)
• include/asm-ppc/signal.h, line 19 (as a macro)
• include/asm-sparc/signal.h, line 80 (as a macro)
• include/asm-sparc64/signal.h, line 80 (as a macro)
• include/net/rarp.h, line 28 (as a macro)

Referenced in 3 files:

• Documentation/filesystems/ncpfs.txt, line 267
• arch/i386/kernel/vm86.c, line 572
• include/linux/isp16.h, line 232