DON'T USE THIS -- Providing some missing POSIX File syscalls.

src/untrusted/irt/irt_filename.c

Index: src/untrusted/irt/irt_filename.c
diff --git a/src/untrusted/irt/irt_filename.c b/src/untrusted/irt/irt_filename.c
index 2007ff1bb1811828ad83993399864a83fb80e0a8..ed055be14f907cc3e02b8d4e0896fa0a63c85e1d 100644
--- a/src/untrusted/irt/irt_filename.c
+++ b/src/untrusted/irt/irt_filename.c
@@ -95,6 +95,15 @@ const struct nacl_irt_dev_filename_v0_2 nacl_irt_dev_filename_v0_2 = {
   nacl_irt_chdir,
   nacl_irt_getcwd,
   nacl_irt_unlink,
+  nacl_irt_truncate,
+  nacl_irt_lstat,
+  nacl_irt_link,
+  nacl_irt_rename,
+  nacl_irt_symlink,
+  nacl_irt_chmod,
+  nacl_irt_access,
+  nacl_irt_readlink,
+  nacl_irt_utimes,
 };
 
 const struct nacl_irt_dev_filename nacl_irt_dev_filename = {