GETEUID(3P) POSIX Programmer's Manual GETEUID(3P)
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of
this interface may differ (consult the corresponding Linux manual page for details of
Linux behavior), or the interface may not be implemented on Linux.
geteuid - get the effective user ID
The geteuid() function shall return the effective user ID of the calling process.
The geteuid() function shall always be successful and no return value is reserved to indi-
cate an error.
No errors are defined.
The following sections are informative.
getegid(), getgid(), getuid(), setegid(), seteuid(), setgid(), setregid(), setreuid(),
setuid(), the Base Definitions volume of IEEE Std 1003.1-2001, <sys/types.h>, <unistd.h>
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 GETEUID(3P)