Subsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibc getresuidSubsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibc getresuidSubsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibc getresuidSubsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibc getresuidgetrandom (2) 3.17 getresgid (2) 2.2 getresgid32 (2) 2.4 getresuid (2) 2.2 getresuid32