diff -ruN epson-inkjet-printer-escpr-1.7.21/src/mem.c epson-inkjet-printer-escpr-1.7.21.new/src/mem.c
--- epson-inkjet-printer-escpr-1.7.21/src/mem.c 2020-10-02 02:24:42.000000000 +0200
+++ epson-inkjet-printer-escpr-1.7.21.new/src/mem.c 2023-01-13 10:00:43.170804504 +0100
@@ -23,6 +23,7 @@
#include <stdlib.h>
#include "mem.h"
+#include "err.h"
void *
mem_malloc (unsigned int size, bool_t crit)