Remove C++/C99-style comments.
diff --git a/Python/_warnings.c b/Python/_warnings.c
index f3b2286..bddd44c 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -839,9 +839,9 @@
static PyObject *
init_filters(void)
{
- // Don't silence DeprecationWarning if -3 was used.
+ /* Don't silence DeprecationWarning if -3 was used. */
PyObject *filters = PyList_New(Py_Py3kWarningFlag ? 3 : 4);
- unsigned int pos = 0; // Post-incremented in each use.
+ unsigned int pos = 0; /* Post-incremented in each use. */
unsigned int x;
const char *bytes_action;