diff -ur voms-1.7.19.orig/src/ac/validate.c voms-1.7.19/src/ac/validate.c
--- voms-1.7.19.orig/src/ac/validate.c	2006-10-27 10:58:17.000000000 +0200
+++ voms-1.7.19/src/ac/validate.c	2007-07-05 12:59:07.000000000 +0200
@@ -17,6 +17,7 @@
 
 #define _GNU_SOURCE
 
+#include <stddef.h>
 #include <openssl/sha.h>
 #include <openssl/asn1.h>
 #include <openssl/asn1_mac.h>
diff -ur voms-1.7.19.orig/src/api/ccapi/api_util.cc voms-1.7.19/src/api/ccapi/api_util.cc
--- voms-1.7.19.orig/src/api/ccapi/api_util.cc	2007-02-15 09:52:22.000000000 +0100
+++ voms-1.7.19/src/api/ccapi/api_util.cc	2007-07-05 12:59:07.000000000 +0200
@@ -150,7 +150,11 @@
     return false;
   }
 
+#ifdef TYPEDEF_I2D_OF
+  *holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509,(d2i_of_void*)d2i_X509, (char *)h);
+#else
   *holder = (X509 *)ASN1_dup((int (*)())i2d_X509,(char * (*)())d2i_X509, (char *)h);
+#endif
   if (!*holder) {
     seterror(VERR_MEM, "Cannot find enough memory to work!");
     return false;
@@ -308,8 +312,13 @@
   AC_free(tmp);   
   
   if (result)
+#ifdef TYPEDEF_I2D_OF
+    v.holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, 
+				(d2i_of_void*)d2i_X509, (char *)holder);
+#else
     v.holder = (X509 *)ASN1_dup((int (*) ())i2d_X509, 
 				(char * (*)())d2i_X509, (char *)holder);
+#endif
   return result;
 }
 
@@ -343,8 +352,13 @@
     return false;
   }
   else {
+#ifdef TYPEDEF_I2D_OF
+    ((struct realdata *)v.realdata)->ac = (AC *)ASN1_dup((i2d_of_void*)i2d_AC,
+                                                         (d2i_of_void*)d2i_AC,
+#else
     ((struct realdata *)v.realdata)->ac = (AC *)ASN1_dup((int (*) ())i2d_AC,
                                                          (char * (*) ())d2i_AC,
+#endif
                                                          (char *)ac);
   }
   
@@ -364,8 +378,13 @@
   X509_free(issuer);
   
   if (result)
+#ifdef TYPEDEF_I2D_OF
+    v.holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, 
+				(d2i_of_void*)d2i_X509, (char *)holder);
+#else
     v.holder = (X509 *)ASN1_dup((int (*) ())i2d_X509, 
 				(char * (*)())d2i_X509, (char *)holder);
+#endif
   return result;
 }
 
@@ -380,7 +399,11 @@
 
   AC *ac = (AC *)data;
 
+#ifdef TYPEDEF_I2D_OF
+  int res = ASN1_verify((i2d_of_void*)i2d_AC_INFO, ac->sig_alg, ac->signature,
+#else
   int res = ASN1_verify((int (*)())i2d_AC_INFO, ac->sig_alg, ac->signature,
+#endif
                         (char *)ac->acinfo, key);
 
   if (!res)
@@ -676,7 +699,11 @@
      among those specific for the vo or else in the vomsdir
      directory */
 
+#ifdef TYPEDEF_I2D_OF
+  X509 *cert = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, (d2i_of_void*)d2i_X509, (char *)sk_X509_value(certstack, 0));
+#else
   X509 *cert = (X509 *)ASN1_dup((int (*)())i2d_X509, (char * (*)())d2i_X509, (char *)sk_X509_value(certstack, 0));
+#endif
 
   bool found = false;
 
diff -ur voms-1.7.19.orig/src/api/ccapi/cinterface.cc voms-1.7.19/src/api/ccapi/cinterface.cc
--- voms-1.7.19.orig/src/api/ccapi/cinterface.cc	2007-03-14 10:47:37.000000000 +0100
+++ voms-1.7.19/src/api/ccapi/cinterface.cc	2007-07-05 12:59:07.000000000 +0200
@@ -277,9 +277,15 @@
       dst->serial    = mystrdup(serial);
       dst->datalen   = custom.size();
 
+#ifdef TYPEDEF_I2D_OF
+      dst->ac     = (AC *)  ASN1_dup((i2d_of_void*)i2d_AC,   (d2i_of_void*)d2i_AC,   
+                                     (char *)(((struct realdata *)realdata)->ac));
+      dst->holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, (d2i_of_void*)d2i_X509, (char *)holder);
+#else
       dst->ac     = (AC *)  ASN1_dup((int(*)())i2d_AC,   (char*(*)())d2i_AC,   
                                      (char *)(((struct realdata *)realdata)->ac));
       dst->holder = (X509 *)ASN1_dup((int(*)())i2d_X509, (char*(*)())d2i_X509, (char *)holder);
+#endif
 
       if (!dst->holder || !dst->ac)
         throw 3;
@@ -727,8 +733,13 @@
       dst->serial    = mystrdup(org->serial);
       dst->datalen   = org->datalen;
 
+#ifdef TYPEDEF_I2D_OF
+      dst->ac     = (AC *)  ASN1_dup((i2d_of_void*)i2d_AC,   (d2i_of_void*)d2i_AC,   (char *)org->ac);
+      dst->holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, (d2i_of_void*)d2i_X509, (char *)org->holder);
+#else
       dst->ac     = (AC *)  ASN1_dup((int(*)())i2d_AC,   (char*(*)())d2i_AC,   (char *)org->ac);
       dst->holder = (X509 *)ASN1_dup((int(*)())i2d_X509, (char*(*)())d2i_X509, (char *)org->holder);
+#endif
 
       if (!dst->holder || !dst->ac)
         throw 3;
@@ -851,7 +862,11 @@
 
 AC *VOMS_GetAC(vomsr *v)
 {
+#ifdef TYPEDEF_I2D_OF
+  return (AC *)ASN1_dup((i2d_of_void*)i2d_AC, (d2i_of_void*)d2i_AC, (char *)v->ac);
+#else
   return (AC *)ASN1_dup((int (*)())i2d_AC, (char * (*)())d2i_AC, (char *)v->ac);
+#endif
 }
 
 }
diff -ur voms-1.7.19.orig/src/api/ccapi/voms_api.cc voms-1.7.19/src/api/ccapi/voms_api.cc
--- voms-1.7.19.orig/src/api/ccapi/voms_api.cc	2007-06-19 19:16:31.000000000 +0200
+++ voms-1.7.19/src/api/ccapi/voms_api.cc	2007-07-05 12:59:07.000000000 +0200
@@ -498,7 +498,11 @@
   char *buf = NULL;
 
   std::string subject, ca;
+#if OPENSSL_VERSION_NUMBER >= 0x00908000L
+  const unsigned char *buftmp, *copy;
+#else
   unsigned char *buftmp, *copy;
+#endif
 
   char *str;
   int len;
@@ -849,11 +853,21 @@
   fqan      = orig.fqan;
   serial    = orig.serial;
   realdata  = calloc(1, sizeof(struct realdata));
+#ifdef TYPEDEF_I2D_OF
+  ((struct realdata *)realdata)->ac = (AC *)ASN1_dup((i2d_of_void*)i2d_AC, 
+                                                     (d2i_of_void*)d2i_AC, 
+#else
   ((struct realdata *)realdata)->ac = (AC *)ASN1_dup((int (*)())i2d_AC, 
                                                      (char * (*)())d2i_AC, 
+#endif
                                                      (char *)((struct realdata *)orig.realdata)->ac);
+#ifdef TYPEDEF_I2D_OF
+  holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509,
+			    (d2i_of_void*)d2i_X509,
+#else
   holder = (X509 *)ASN1_dup((int (*)())i2d_X509,
 			    (char * (*)())d2i_X509,
+#endif
 			    (char *)orig.holder);
 
   
@@ -890,10 +904,19 @@
   serial    = orig.serial;
   if (((struct realdata *)realdata)->ac)
     AC_free(((struct realdata *)realdata)->ac);
+#ifdef TYPEDEF_I2D_OF
+  ((struct realdata *)realdata)->ac = (AC *)ASN1_dup((i2d_of_void*)i2d_AC, 
+                                                     (d2i_of_void*)d2i_AC, 
+#else
   ((struct realdata *)realdata)->ac = (AC *)ASN1_dup((int (*)())i2d_AC, 
                                                      (char * (*)())d2i_AC, 
+#endif
                                                      (char *)((struct realdata *)orig.realdata)->ac);
+#ifdef TYPEDEF_I2D_OF
+  holder = (X509 *)ASN1_dup((i2d_of_void*)i2d_X509, (d2i_of_void*)d2i_X509, (char *)orig.holder);
+#else
   holder = (X509 *)ASN1_dup((int (*)())i2d_X509, (char * (*)())d2i_X509, (char *)orig.holder);
+#endif
   delete ((struct realdata *)realdata)->attributes;
   ((struct realdata *)realdata)->attributes = 
     new std::vector<attributelist>(*(((struct realdata *)orig.realdata)->attributes));
@@ -910,8 +933,13 @@
 
 AC *voms::GetAC()
 {
+#ifdef TYPEDEF_I2D_OF
+  return (AC *)ASN1_dup((i2d_of_void*)i2d_AC, 
+                        (d2i_of_void*)d2i_AC, 
+#else
   return (AC *)ASN1_dup((int (*)())i2d_AC, 
                         (char * (*)())d2i_AC, 
+#endif
                         (char *)((struct realdata *)realdata)->ac);
 }