1GETUID(2)                  Linux Programmer's Manual                 GETUID(2)
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NAME

6       getuid, geteuid - get user identity
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SYNOPSIS

9       #include <unistd.h>
10       #include <sys/types.h>
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12       uid_t getuid(void);
13       uid_t geteuid(void);
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DESCRIPTION

16       getuid() returns the real user ID of the current process.
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18       geteuid() returns the effective user ID of the current process.
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ERRORS

21       These functions are always successful.
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CONFORMING TO

24       POSIX.1-2001, 4.3BSD.
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HISTORY

27       In  Unix  V6  the  getuid()  call  returned (euid << 8) + uid.  Unix V7
28       introduced separate calls getuid() and geteuid().
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SEE ALSO

31       setreuid(2), setuid(2)
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35Linux 0.99.11                     1993-07-23                         GETUID(2)