Defined in 4 files as a macro:
- sys/compat/linux/arch/aarch64/linux_syscall.h, line 478 (as a macro)
- sys/compat/linux/arch/alpha/linux_syscall.h, line 199 (as a macro)
- sys/compat/linux/arch/amd64/linux_syscall.h, line 139 (as a macro)
- sys/compat/linux/arch/mips/linux_syscall.h, line 461 (as a macro)