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GETGID(2)                  Linux Programmer's Manual                 GETGID(2)



 

NAME


       getgid, getegid - get group identity

 

SYNOPSIS


       #include 
       #include 

       gid_t getgid(void);
       gid_t getegid(void);

 

DESCRIPTION






       getgid() returns the real group ID of the calling process.

       getegid() returns the effective group ID of the calling process.

       When  a  normal program is executed, the effective and real group ID of
       the process are set to the group ID of the  user  executing  the  file.
       When a set ID program is executed the real group ID is set to the group
       of the calling user and the effective user ID corresponds  to  the  set
       group ID bit on the file being executed.

 

ERRORS


       These functions are always successful.

 

CONFORMING TO


       POSIX.1-2001, 4.3BSD.

 

SEE ALSO


       getresgid(2), setgid(2), setregid(2), credentials(7)

 

COLOPHON


       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.



Linux                             1993-07-23                         GETGID(2)