Defined in 3 files as a prototype:
- sys/compat/linux32/arch/amd64/linux32_syscallargs.h, line 1183 (as a prototype)
- sys/compat/netbsd32/netbsd32_syscallargs.h, line 2863 (as a prototype)
- sys/compat/sunos32/sunos32_syscallargs.h, line 665 (as a prototype)