Subsequently, Linux 2.4 added getuid32 () and geteuid32 (), supporting 32-bit IDs. The glibc getuidSubsequently, Linux 2.4 added getuid32 () and geteuid32 (), supporting 32-bit IDs. The glibc getuidSubsequently, Linux 2.4 added getuid32 () and geteuid32 (), supporting 32-bit IDs. The glibc getuidSubsequently, Linux 2.4 added getuid32 () and geteuid32 (), supporting 32-bit IDs. The glibc getuidgetegid32 (2) 2.4 geteuid (2) 1.0 geteuid32 (2) 2.4 getgid (2) 1.0 getgid32