extern void EXFUN(bzero,(char *, int));
extern void EXFUN(perror,(CONST char *));
extern PTR EXFUN(memchr,(const void *, int, unsigned ));
+#if 0
+/* Conflicts with system headers on SVR4. */
extern unsigned short EXFUN(getuid,(void));
extern unsigned short EXFUN(getgid,(void));
+#endif
extern char * strchr();