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#ifndef _SYS_UTSNAME_H #define _SYS_UTSNAME_H struct utsname { char sysname[65]; char nodename[65]; char release[65]; char version[65]; char machine[65]; #ifdef _GNU_SOURCE char domainname[65]; #else char __domainname[65]; #endif }; int uname (struct utsname *); #endif