GROUPMEMBER - reference manual online

Checks group set for a group ID.

July 9, 2001
GROUPMEMBER(9)                    BSD Kernel Developer's Manual                    GROUPMEMBER(9)

NAME groupmember — checks group set for a group ID
SYNOPSIS #include <sys/param.h> #include <sys/ucred.h> int groupmember(gid_t gid, struct ucred *cred);
DESCRIPTION The groupmember() function checks to see if the given gid is in the group set of the creden‐ tials. Its arguments are: gid The group ID to check for. cred The credentials to search for the group in.
RETURN VALUES If the gid is found, 1 is returned; otherwise, 0 is returned.
AUTHORS This manual page was written by Chad David <>.
BSD July 9, 2001 BSD