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#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
int main(void)
{
int count, i;
gid_t grouplist[100];
printf("uid=%d gid=%d euid=%d egid=%d\n",
getuid(), getgid(), geteuid(), getegid());
/* Can no longer use this because on different systems, the supplemental
groups will be different. */
#ifdef NEVER
printf("supplemental groups: ");
count = getgroups(100, grouplist);
for (i = 0; i < count; i++) printf("%d ", grouplist[i]);
printf("\n");
#endif
return 0;
}
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