GETGRNAM (3)
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:
8n 16n 32n
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
CONFORMING TO
SEE ALSO
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