diff -ur hsc-1.0.orig/src/hsclib/css.c hsc-1.0/src/hsclib/css.c
--- hsc-1.0.orig/src/hsclib/css.c	2006-04-03 17:18:37.000000000 +0300
+++ hsc-1.0/src/hsclib/css.c	2009-08-09 20:19:51.000000000 +0300
@@ -129,7 +129,7 @@
 #ifdef isblank
 #undef isblank
 #endif
-static int isblank(int c)
+int isblank(int c)
 {
    return ((c == ' ') || (c == '\t'));
 }