1GETUID(P)                  POSIX Programmer's Manual                 GETUID(P)
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NAME

6       getuid - get a real user ID
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SYNOPSIS

9       #include <unistd.h>
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11       uid_t getuid(void);
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DESCRIPTION

15       The  getuid()  function  shall  return  the real user ID of the calling
16       process.
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RETURN VALUE

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

23       No errors are defined.
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25       The following sections are informative.
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EXAMPLES

28   Setting the Effective User ID to the Real User ID
29       The  following  example sets the effective user ID and the real user ID
30       of the current process to the real user ID of the caller.
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33              #include <unistd.h>
34              #include <sys/types.h>
35              ...
36              setreuid(getuid(), getuid());
37              ...
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APPLICATION USAGE

40       None.
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RATIONALE

43       None.
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FUTURE DIRECTIONS

46       None.
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SEE ALSO

49       getegid() , geteuid() , getgid() , setegid() , seteuid() ,  setgid()  ,
50       setregid()  ,  setreuid()  ,  setuid() , the Base Definitions volume of
51       IEEE Std 1003.1-2001, <sys/types.h>, <unistd.h>
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54       Portions of this text are reprinted and reproduced in  electronic  form
55       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
56       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
57       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
58       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
59       event of any discrepancy between this version and the original IEEE and
60       The Open Group Standard, the original IEEE and The Open Group  Standard
61       is  the  referee document. The original Standard can be obtained online
62       at http://www.opengroup.org/unix/online.html .
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66IEEE/The Open Group                  2003                            GETUID(P)
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