--- src/file.h.orig	2024-08-15 00:26:55.000000000 +0800
+++ src/file.h	2025-12-25 02:08:47.000000000 +0800
@@ -29,6 +29,10 @@
 #include <vector>
 #include <string>
 
+#ifdef __APPLE__
+#include <sys/types.h> /* ssize_t */
+#endif
+
 #include "common.h"
 
 class FileRead {