group IDs. Subsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getresuid32 () and getresgid32 (), supporting 32-bit IDs. The glibcgetresgid32 (2) 2.4 getresuid (2) 2.2 getresuid32 (2) 2.4 getrlimit (2) 1.0 getrusage