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NAME
       geteuid - get the effective user ID


SYNOPSIS
       #include <unistd.h>

       uid_t geteuid(void);


DESCRIPTION
       The geteuid() function shall return the effective user ID of the calling process.


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


ERRORS
       No errors are defined.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       None.


RATIONALE
       None.


FUTURE DIRECTIONS
       None.


SEE ALSO
       getegid() , getgid() , getuid() , 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                                            GETEUID(P)