struct passwd *getpwuid (uid_t);
struct passwd *getpwnam (const char *);
int getpwuid_r (uid_t, struct passwd *, char *, size_t, struct passwd **);
int getpwnam_r (const char *, struct passwd *, char *, size_t, struct passwd **);
struct passwd *getpwuid (uid_t);
struct passwd *getpwnam (const char *);
int getpwuid_r (uid_t, struct passwd *, char *, size_t, struct passwd **);
int getpwnam_r (const char *, struct passwd *, char *, size_t, struct passwd **);