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GETUID(P)		   POSIX Programmer's Manual		     GETUID(P)

NAME
       getuid - get a real user ID

SYNOPSIS
       #include <unistd.h>

       uid_t getuid(void);

DESCRIPTION
       The  getuid()  function	shall  return  the real user ID of the calling
       process.

RETURN VALUE
       The getuid() function shall always be successful and no return value is
       reserved to indicate the error.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
   Setting the Effective User ID to the Real User ID
       The  following  example sets the effective user ID and the real user ID
       of the current process to the real user ID of the caller.

	      #include <unistd.h>
	      #include <sys/types.h>
	      ...
	      setreuid(getuid(), getuid());
	      ...

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       getegid() , geteuid() , getgid() , setegid() , seteuid() ,  setgid()  ,
       setregid()  ,  setreuid()  ,  setuid() , the Base Definitions volume of
       IEEE Std 1003.1-2001, <sys/types.h>, <unistd.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),	The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the	referee document. The original Standard can be obtained online
       at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group		     2003			     GETUID(P)
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