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#ifndef _GRP_H
#define _GRP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#define __NEED_size_t
#define __NEED_gid_t
#ifdef _GNU_SOURCE
#define __NEED_FILE
#endif
#include <bits/alltypes.h>
struct group {
char *gr_name;
char *gr_passwd;
gid_t gr_gid;
char **gr_mem;
};
struct group *getgrgid(gid_t);
struct group *getgrnam(const char *);
int getgrgid_r(gid_t, struct group *, char *, size_t, struct group **);
int getgrnam_r(const char *, struct group *, char *, size_t, struct group **);
struct group *getgrent(void);
void endgrent(void);
void setgrent(void);
#ifdef _GNU_SOURCE
struct group *fgetgrent(FILE *stream);
int putgrent(const struct group *, FILE *);
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
int getgrouplist(const char *, gid_t, gid_t *, int *);
int setgroups(size_t, const gid_t *);
int initgroups(const char *, gid_t);
#endif
#ifdef __cplusplus
}
#endif
#endif
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