--- psiconv/trunk/lib/psiconv/list.h	2000/12/13 16:17:54	62
+++ psiconv/trunk/lib/psiconv/list.h	2000/12/23 20:21:40	72
@@ -1,6 +1,6 @@
 /*
     list.h - Part of psiconv, a PSION 5 file formats converter
-    Copyright (c) 1999  Frodo Looijaard <frodol@dds.nl> 
+    Copyright (c) 1999, 2000  Frodo Looijaard <frodol@dds.nl> 
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -69,7 +69,7 @@
    As the lists extends itself, it may be necessary to allocate new
    memory. If this fails, a negative error-code is returned. If everything,
    succeeds, 0 is returned. */
-extern int psiconv_list_add(psiconv_list l, void *el);
+extern int psiconv_list_add(psiconv_list l, const void *el);
 
 /* Do some action for each element. Note: you can directly modify the
    elements supplied to action, and they will be changed in the list,
@@ -87,6 +87,10 @@
    not enough memory could be allocated, 0 is simply returned. */
 extern size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f);
 
+/* Concatenate two lists. The element sized does not have to be the same,
+   but the result may be quite unexpected if it is not. */
+int psiconv_list_concat(psiconv_list l, const psiconv_list extra);
+
 
 #ifdef __cplusplus
 }