Defined in 9 files as a macro:

• arch/alpha/boot/tools/objstrip.c, line 40 (as a macro)
• include/asm-alpha/signal.h, line 26 (as a macro)
• include/asm-i386/signal.h, line 23 (as a macro)
• include/asm-m68k/signal.h, line 23 (as a macro)
• include/asm-mips/signal.h, line 56 (as a macro)
• include/asm-ppc/signal.h, line 23 (as a macro)
• include/asm-sparc/signal.h, line 61 (as a macro)
• include/asm-sparc64/signal.h, line 61 (as a macro)
• include/net/rarp.h, line 32 (as a macro)

Referenced in 4 files:

• Documentation/filesystems/ncpfs.txt, line 265
• arch/sparc64/solaris/signal.c, line 46
• include/linux/isp16.h, line 230
• kernel/itimer.c, line 102