extern PROTO(int,getuid,());
extern PROTO(int,getgid,());
extern char * strchr();
-extern PROTO(void, perror,(char *));
+extern PROTO(void, perror,(CONST char *));
extern char *getenv();
extern char *memchr();
extern char *strrchr();
extern PROTO(int, free,(PTR));
-PROTO (void, perror, (char *s));
+
extern char *strrchr();
extern char *ctime();
extern int _flsbuf();
extern PROTO(int, abort,(void));
extern PROTO(int, close,(int));
-extern PROTO(int, fcntl,(int des, int cmd));
+extern PROTO(int, fcntl,(int des, int cmd, int e));
extern PROTO(int, fprintf,(FILE *,char *,...));
extern PROTO(int, printf,(char *,...));
extern PROTO(int, qsort,(void *data,int els, int siz, int func()));