collect prototype for mod_yyerror() in "mod_yacc_y.h", and fix return type

ChangeLog

@@ -1,3 +1,10 @@
+2010-10-15  Robert Larice
+ * src/xspice/cmpp/mod_lex.l ,
+ * src/xspice/cmpp/mod_yacc.y ,
+ * src/xspice/cmpp/mod_yacc_y.h ,
+ * src/xspice/cmpp/pp_mod.c :
+    collect prototype for mod_yyerror() in "mod_yacc_y.h", and fix return type
+
 2010-10-15  Robert Larice
  * src/ciderlib/input/output.c :
     visibility for tildexpand() prototyp

src/xspice/cmpp/mod_lex.l

@@ -44,7 +44,6 @@ NON-STANDARD FEATURES
 
 #include "mod_yacc_y.h"
 #include "mod_yacc.h"
-extern void mod_yyerror(char*);
 
 %}
 

src/xspice/cmpp/mod_yacc.y

@@ -100,7 +100,6 @@ Ifs_Table_t *mod_ifs_table;
 
 extern char *mod_yytext;
 extern FILE* mod_yyout;
- extern void mod_yyerror(char*);
 
 #include <string.h>
 #include <ctype.h>

src/xspice/cmpp/mod_yacc_y.h

@@ -47,3 +47,5 @@ typedef struct {
    Boolean_t has_subscript;
    char *subscript;
 } Sub_Id_t;
+
+extern void mod_yyerror(char*);

src/xspice/cmpp/pp_mod.c

@@ -58,7 +58,7 @@ NON-STANDARD FEATURES
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include  "cmpp.h"
+#include  "mod_yacc_y.h"
 
 extern int mod_yyparse(void);
 extern void mod_yyrestart (FILE*);
@@ -181,12 +181,10 @@ void preprocess_mod_file (
 }
 
 /*---------------------------------------------------------------------------*/
-int
+void
 mod_yyerror (char *str)
 {
    fprintf (stderr, "%s: Error: \"%s\": line %d (near \'%s\'):\n\t%s.\n",
             prog_name, current_filename, mod_yylineno, mod_yytext, str);
-
-   return 0;
 }