Defined in 4 files as a prototype:
- include/lwp.h, line 53 (as a prototype)
- sys/arch/m68k/include/mcontext.h, line 125 (as a prototype)
- sys/arch/mips/include/mcontext.h, line 230 (as a prototype)
- sys/arch/powerpc/include/mcontext.h, line 171 (as a prototype)