gh-111545: Add Include/cpython/pyhash.h header file (#112063)

Move non-limited C API to a new Include/cpython/pyhash.h header file.

1 files changed, 13 insertions, 0 deletions

diff --git a/Include/cpython/pyhash.h b/Include/cpython/pyhash.h
new file mode 100644
index 0000000..62ae608
--- /dev/null
+++ b/Include/cpython/pyhash.h
@@ -0,0 +1,13 @@
+#ifndef Py_CPYTHON_HASH_H
+#  error "this header file must not be included directly"
+#endif
+
+/* hash function definition */
+typedef struct {
+    Py_hash_t (*const hash)(const void *, Py_ssize_t);
+    const char *name;
+    const int hash_bits;
+    const int seed_bits;
+} PyHash_FuncDef;
+
+PyAPI_FUNC(PyHash_FuncDef*) PyHash_GetFuncDef(void);