Defined in 4 files as a struct:
- sys/amd64/linux/linux_proto.h, line 1061 (as a struct)
- sys/amd64/linux32/linux32_proto.h, line 1141 (as a struct)
- sys/arm64/linux/linux_proto.h, line 912 (as a struct)
- sys/i386/linux/linux_proto.h, line 1159 (as a struct)