move read_orders to its own module

src/CMakeLists.txt

@@ -116,6 +116,7 @@ set (ERESSEA_SRC
   magic.c
   market.c
   morale.c
+  orderfile.c
   randenc.c
   renumber.c
   volcano.c

src/orderfile.c

@@ -0,0 +1,30 @@
+#include "orderfile.h"
+
+#include <kernel/faction.h>
+#include <kernel/unit.h>
+
+#include <stream.h>
+#include <filestream.h>
+
+#include <stdio.h>
+void read_orders(stream *strm)
+{
+    faction *f = NULL;
+    unit *u = NULL;
+    char line[1024];
+
+    line = strm->api->readln(strm->handle, line, sizeof(line));
+}
+
+void read_orderfile(const char *filename)
+{
+    stream strm;
+    FILE * F = fopen(filename, "r");
+    if (!F) {
+        return;
+    }
+    fstream_init(&strm, F);
+    read_orders(&strm);
+    fstream_done(&strm);
+    fclose(F);
+}

src/orderfile.h

@@ -0,0 +1,18 @@
+#ifndef H_ORDERFILE
+#define H_ORDERFILE
+
+#include <skill.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    struct stream;
+
+    void read_orderfile(const char *filename);
+    void read_orders(struct stream *strm);
+
+#ifdef __cplusplus
+}
+#endif
+#endif