include: add utime(2) stub and memory.h

include/memory.h

@@ -0,0 +1,2 @@
+#pragma once
+#include <string.h>

include/utime.h

@@ -0,0 +1,10 @@
+#pragma once
+// TODO: #include <sys/types.h>!!!
+#include <sys/time.h>
+
+struct utimbuf {
+    time_t actime;
+    time_t modtime;
+};
+
+int utime(const char *filename, const struct utimbuf *times);

src/misc/utime.c

@@ -0,0 +1,7 @@
+#include <utime.h>
+
+int utime(const char *filename, const struct utimbuf *times) {
+    (void) filename;
+    (void) times;
+    return 0;
+}