Defined in 4 files as a macro:

• include/asm-alpha/signal.h, line 24 (as a macro)
• include/asm-mips/signal.h, line 39 (as a macro)
• include/asm-sparc/signal.h, line 52 (as a macro)
• include/net/rarp.h, line 53 (as a macro)

Referenced in 3 files:

• arch/sparc/kernel/sys_bsd.c, line 43
• arch/sparc/kernel/sys_sunos.c, line 525
• include/linux/isp16.h, line 228