#ifndef _GRP_H
#define _GRP_H
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
struct group
{
char *gr_name; /* Group name. */
char *gr_passwd; /* Password. */
gid_t gr_gid; /* Group ID. */
char **gr_mem; /* Member list. */
};
struct group *getgrgid (gid_t uid) __THROW;
struct group *getgrnam (const char *name) __THROW;
struct group *getgrent(void) __THROW;
void setgrent(void) __THROW;
void endgrent(void) __THROW;
int getgrent_r(struct group *res, char *buf, size_t buflen,
struct group **res_sig) __THROW;
int getgrnam_r(const char* name,
struct group *res, char *buf, size_t buflen,
struct group **res_sig) __THROW;
int getgrgid_r(uid_t uid,
struct group *res, char *buf, size_t buflen,
struct group **res_sig) __THROW;
int setgroups(size_t n, const gid_t *groups) __THROW;
int setgroups32(size_t n, const gid32_t *groups) __THROW;
int initgroups(const char *user, gid_t group) __THROW;
int getgrouplist(const char*user,gid_t group,gid_t*groups,int*ngroups) __THROW;
__END_DECLS
#endif
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