Split out some stuff that is shared between request and response

I now have files with the infinitely imaginative names
requestrespons.{c,h,test.c}.

src/requestresponse.h

@@ -0,0 +1,46 @@
+#ifndef REQUESTRESPONSE
+#define REQUESTRESPONSE
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+//This file contains definitions that are shared between requests and responses such as header 
+/*
+* A struct reperesenting an http header
+*/
+typedef struct {
+	char *name;
+	// The spec doesn't specify a max size for headers, but nginx doesn't accept headers bigger than 4096 so that's probably ok for us
+	char *value;
+} Header;
+
+/*
+* A linked list wrapper around the headers
+*/
+typedef struct HeaderList HeaderList;
+struct HeaderList {
+	Header *header;
+	HeaderList *next;
+};
+
+//Creates a new header struct from a string like "Content-Length: 123"
+Header* newHeader(char *str);
+
+//Adds a header to the end of a header list
+void addHeader(HeaderList *headers, char *str);
+
+Header* getHeader(HeaderList *headers, char *name);
+
+unsigned int countHeaders(HeaderList *headers);
+
+
+unsigned int headerListCharLength(HeaderList *headers);
+
+char* headersToString(HeaderList *headers);
+
+#endif /* ifndef REQUESTRESPONSE
+
+//THis file contains definitions that are shared between requests and responses such as header 
+ */