diff --git a/hostname.c b/hostname.c
index 22f0fc4..05bc32c 100644
--- a/hostname.c
+++ b/hostname.c
@@ -1,5 +1,6 @@
 #include <tcpip.h>
 #include <misctool.h>
+#include <orca.h>
 #include "hostname.h"
 
 #define DNR_WAIT_TIME 15 /*seconds*/
diff --git a/main.c b/main.c
index 4e11509..7b1c876 100644
--- a/main.c
+++ b/main.c
@@ -10,6 +10,7 @@
 #include "session.h"
 #include "seturl.h"
 #include "hostname.h"
+#include "tcpconnection.h"
 
 /*
 http://archive.org/download/a2gs_System_1.0_1986_Apple_FW/System_1.0_1986_Apple_FW.2mg
@@ -57,7 +58,7 @@ int main(int argc, char **argv) {
             putchar(ch);
     }
     printf("=========\n");
-    printf("\n", i);
+    printf("\n");
 
     enum RequestResult requestResult;
     requestResult = DoHTTPRequest(&sess, startByte, startByte + 511);
diff --git a/seturl.c b/seturl.c
index ba8b237..de2484a 100644
--- a/seturl.c
+++ b/seturl.c
@@ -1,5 +1,7 @@
 #include <types.h>
 #include <errno.h>
+#include <string.h>
+#include <stdlib.h>
 #include "session.h"
 #include "urlparser.h"
 #include "strcasecmp.h"