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>struct group *getgrgid( gid_t gid );
int getgrgid( gid_t gid, struct group *grp, char *buffer,
size_t bufsize, struct group **result );
struct group *getgrname( const char *name );
int getgrname_r( const char *name, struct group *grp,
char *buffer, size_t bufsize, struct group **result );
struct passwd *getpwuid( uid_t uid );
int getpwuid_r( uid_t uid, struct passwd *pwd,
char *buffer, size_t bufsize, struct passwd **result );
struct passwd *getpwnam( const char *name );
int getpwnam_r( const char *name, struct passwd *pwd,
char *buffer, size_t bufsize, struct passwd **result );</PRE
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> None of the functions in this section are implemented.
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