Unix/Linux Go Back    


Linux 2.6 - man page for getuid (linux section 3posix)

Linux & Unix Commands - Search Man Pages
Man Page or Keyword Search:   man
Select Man Page Set:       apropos Keyword Search (sections above)


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 indi-
       cate 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 orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					GETUID(P)
Unix & Linux Commands & Man Pages : ©2000 - 2018 Unix and Linux Forums


All times are GMT -4. The time now is 03:58 AM.