(Merge 3.4) Closes #22580: Fix documentation of PyUnicode_Tailmatch()
The result type is Py_ssize_t (and not int).
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 2d1bae1..d86f99a 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -1575,7 +1575,7 @@
Unicode string.
-.. c:function:: int PyUnicode_Tailmatch(PyObject *str, PyObject *substr, \
+.. c:function:: Py_ssize_t PyUnicode_Tailmatch(PyObject *str, PyObject *substr, \
Py_ssize_t start, Py_ssize_t end, int direction)
Return 1 if *substr* matches ``str[start:end]`` at the given tail end