Index: /soft/giet_vm/giet_libs/stdio.c
===================================================================
--- /soft/giet_vm/giet_libs/stdio.c	(revision 764)
+++ /soft/giet_vm/giet_libs/stdio.c	(revision 765)
@@ -1130,4 +1130,16 @@
 }
 
+///////////////////////////////////////////
+int giet_fat_munmap( void*         vaddr,
+                     unsigned int  length )
+{
+    if ( length & 0xFFF )        giet_pthread_exit("error in giet_fat_mmap()");
+    if ( vaddr  & 0xFFF )        giet_pthread_exit("error in giet_fat_mmap()");
+
+    return sys_call( SYSCALL_FAT_MMAP,
+                     (unsigned int)vaddr,
+                     length>>12,
+                     0, 0 );
+}
 
 //////////////////////////////////////////////////////////////////////////////////