NAMEgetgid, getegid - get group identity
SYNOPSIS#include <unistd.h> #include <sys/types.h> gid_t getgid(void); gid_t getegid(void);
DESCRIPTIONgetgid() 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.
ERRORSThese functions are always successful.
CONFORMING TOPOSIX.1-2001, 4.3BSD.
SEE ALSOgetresgid(2), setgid(2), setregid(2), credentials(7)
COLOPHONThis page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at //www.kernel.org/doc/man-pages/. GETGID(2)