extern int getuid PARAMS (());
extern PTR malloc PARAMS ((unsigned));
extern void perror PARAMS ((CONST char *));
-extern int qsort PARAMS ((void *data, int els, int siz, int func()));
extern PTR realloc PARAMS ((PTR, unsigned));
extern char *getenv();
extern int chmod();
extern int fstat();
extern int stat();
-extern int strtol();
extern char *ctime();
extern int _flsbuf();