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/* ISC license. */
#undef _POSIX_C_SOURCE
#undef _XOPEN_SOURCE
#ifndef _XPG4_2
# define _XPG4_2
#endif
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <sys/types.h>
#if defined(__FreeBSD__)
# include <sys/param.h>
#endif
#include <sys/socket.h>
#include <sys/un.h>
int main (void)
{
int s ;
struct ucred dummy ;
socklen_t len = sizeof(struct ucred) ;
return getsockopt(s, SOL_SOCKET, SO_PEERCRED, &dummy, &len) ;
}
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