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#ifndef __GRP_H

#define __GRP_H

#include <sys/types.h>

#include <features.h>

#include <stdio.h>

/* The group structure */

struct group

{

  char *gr_name;                /* Group name.  */

  char *gr_passwd;              /* Password.    */

  gid_t gr_gid;                 /* Group ID.    */

  char **gr_mem;                /* Member list. */

};

extern void setgrent __P ((void));

extern void endgrent __P ((void));

extern struct group * getgrent __P ((void));

extern struct group * getgrgid __P ((__const gid_t gid));

extern struct group * getgrnam __P ((__const char * name));

extern struct group * fgetgrent __P ((FILE * file));

extern int setgroups __P ((size_t n, __const gid_t * groups));

extern int initgroups __P ((__const char * user, gid_t gid));

#ifdef __LIBC__

extern struct group * __getgrent __P ((int grp_fd));

#endif

#endif /* _GRP_H */