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RedHat 9 (Linux i386) - man page for getgrgid (redhat section 3)

GETGRNAM(3)				      Linux Programmer's Manual 				  GETGRNAM(3)

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
fgetgrent(3), getgrent(3), setgrent(3), endgrent(3)
GNU
1993-04-04 GETGRNAM(3)


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