Issue #25923: Added more const qualifiers to signatures of static and private functions.
diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index f92148d..3b93a80 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -66,8 +66,8 @@
     const char *filename,       /* decoded from the filesystem encoding */
     const char* enc,
     int start,
-    char *ps1,
-    char *ps2,
+    const char *ps1,
+    const char *ps2,
     PyCompilerFlags *flags,
     int *errcode,
     PyArena *arena);
@@ -76,8 +76,8 @@
     PyObject *filename,
     const char* enc,
     int start,
-    char *ps1,
-    char *ps2,
+    const char *ps1,
+    const char *ps2,
     PyCompilerFlags *flags,
     int *errcode,
     PyArena *arena);