Issue #23834: Fix socket.sendto(), use the C Py_ssize_t type to store the

result of sendto() instead of the C int type.

Misc/NEWS

@@ -24,6 +24,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #23834: Fix socket.sendto(), use the C Py_ssize_t type to store the
+  result of sendto() instead of the C int type.
+
 - Issue #21526: Tkinter now supports new boolean type in Tcl 8.5.
 
 - Issue #23838: linecache now clears the cache and returns an empty result on

Modules/socketmodule.c

@@ -3366,7 +3366,8 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
     char *buf;
     Py_ssize_t len, arglen;
     sock_addr_t addrbuf;
-    int addrlen, n = -1, flags, timeout;
+    int addrlen, flags, timeout;
+    Py_ssize_t n = -1;
 
     flags = 0;
     arglen = PyTuple_Size(args);