Make some private symbols static.
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 27e21de..9af03b7 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -222,7 +222,7 @@
 
 /* a portable fseek() function
    return 0 on success, non-zero on failure (with errno set) */
-int
+static int
 _portable_fseek(FILE *fp, Py_off_t offset, int whence)
 {
 #if defined(HAVE_FSEEKO)
@@ -257,7 +257,7 @@
 /* a portable ftell() function
    Return -1 on failure with errno set appropriately, current file
    position on success */
-Py_off_t
+static Py_off_t
 _portable_ftell(FILE* fp)
 {
 #if SIZEOF_FPOS_T >= 8 && defined(HAVE_LARGEFILE_SUPPORT)
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index 74e7012..64d166c 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -251,7 +251,7 @@
 
 /* Convert between "fast" version of locals and dictionary version */
 
-void
+static void
 map_to_dict(PyObject *map, int nmap, PyObject *dict, PyObject **values,
 	    int deref)
 {