Issue #24268: Fixes generation of init import name on Windows.
diff --git a/Python/dynload_win.c b/Python/dynload_win.c
index 96f1a09..f2c796e 100644
--- a/Python/dynload_win.c
+++ b/Python/dynload_win.c
@@ -202,7 +202,7 @@
     if (wpathname == NULL)
         return NULL;
 
-    PyOS_snprintf(funcname, sizeof(funcname), "%20_%.200s", prefix, shortname);
+    PyOS_snprintf(funcname, sizeof(funcname), "%.20s_%.200s", prefix, shortname);
 
     {
         HINSTANCE hDLL = NULL;