GETGRNAM Section: Linux Programmer's Manual (3) Updated: April 4, 2025 Index   NAME getgrnam, getgrgid - get group file entry   SYNOPSIS #include <grp.h> #include <sys/types.h> struct group *getgrnam(const char *name); struct group *getgrgid(gid_t gid);   DESCRIPTION The getgrnam() function returns a pointer to a structure containing the group information from /etc/group for the entry that matches the group name name. The getgrgid() function returns a pointer to a structure containing the group information from /etc/group for the entry that matches the group gid gid. The group structure is defined in <grp.h> as follows: struct group { char *gr_name; /* group name */ char *gr_passwd; /* group password */ gid_t gr_gid; /* group id */ char **gr_mem; /* group members */ };   RETURN VALUE The getgrnam() and getgrgid() functions return the group information structure, or NULL if the matching entry is not found or an error occurs.   ERRORS ENOMEM Insufficient memory to allocate group information structure.   FILES /etc/group Group database file   CONFORMING TO SVID 3, POSIX, BSD 4.3   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS FILES CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:03 GMT, March 24, 2025