getuid(2)                                                         getuid(2)


   NAME
         getuid, geteuid, getgid, getegid - get real user, effective user,
         real group, and effective group IDs

   SYNOPSIS
         #include <sys/types.h>
         #include <unistd.h>

         uidt getuid (void);

         uidt geteuid (void);

         gidt getgid (void);

         gidt getegid (void);

   DESCRIPTION
         getuid returns the real user ID of the calling process.

         geteuid returns the effective user ID of the calling process.

         getgid returns the real group ID of the calling process.

         getegid returns the effective group ID of the calling process.

   SEE ALSO
         intro(2), setuid(2).


























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