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#ifndef ___GRP_H__
#define ___GRP_H__
#include <sys/types.h>
#include <grp.h>
#include <stdio.h>
#define MAX_MEMBERS 128
struct __grp {
FILE *db;
struct group grp;
struct group * (*getgrent)(void);
char *members[MAX_MEMBERS];
};
extern struct __grp __grp;
#ifndef _XOPEN_SOURCE
#define setgrent() (__grp.db == NULL ? (void)0 : (void)rewind(__grp.db))
#define endgrent() do { \
if (__grp.db) { \
fclose(__grp.db); \
__grp.db = NULL; \
} \
} while (0)
#define getgrent __grp.getgrent
#endif
#endif
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