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#include <unistd.h>
#include <sys/utsname.h>
int gethostname(char *name, size_t len)
{
size_t i;
struct utsname uts;
if (uname(&uts)) return -1;
if (len > sizeof uts.nodename) len = sizeof uts.nodename;
for (i=0; i<len && (name[i] = uts.nodename[i]); i++);
if (i && i==len) name[i-1] = 0;
return 0;
}
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