char * cpy2 _(( char *to, char *from, int delim ));
char * cpytill _(( char *to, char *from, int delim ));
-int croak _(( char *pat, int a1, int a2, int a3, int a4 ));
-int envix _(( char *nam ));
+void croak _(( char *pat, int a1, int a2, int a3, int a4 ));
void growstr _(( char **strptr, int *curlen, int newlen ));
char * instr _(( char *big, char *little ));
-int Myfatal ();
+void Myfatal ();
char * safecpy _(( char *to, char *from, int len ));
char * savestr _(( char *str ));
-void setenv _(( char *nam, char *val ));
void warn ();