new file mode 100644
--- /dev/null
+++ b/src/http/ngx_http.h
@@ -0,0 +1,84 @@
+#ifndef _NGX_HTTP_H_INCLUDED_
+#define _NGX_HTTP_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_types.h>
+#include <ngx_connection.h>
+
+
+#define NGX_SYS_ERROR             -1
+#define NGX_HTTP_INVALID_METHOD   -2
+#define NGX_HTTP_INVALID_REQUEST  -3
+#define NGX_HTTP_INVALID_HEADER   -4
+
+#define NGX_HTTP_GET   1
+#define NGX_HTTP_HEAD  2
+#define NGX_HTTP_POST  3
+
+#define NGX_HTTP_CONN_CLOSE       0
+#define NGX_HTTP_CONN_KEEP_ALIVE  1
+
+#define NGX_HTTP_OK               200
+
+
+typedef struct {
+    char *buff;
+    char *pos;
+    char *last;
+    char *end;
+} ngx_buff_t;
+
+typedef struct {
+    int     status;
+    int     connection;
+    size_t  content_length;
+    char   *content_type;
+    char   *charset;
+    char   *etag;
+    time_t  date;
+    time_t  last_modified;
+} ngx_http_header_out_t;
+
+typedef struct ngx_http_request_s ngx_http_request_t;
+
+struct ngx_http_request_s {
+    int    method;
+
+    int    http_version;
+    int    http_major;
+    int    http_minor;
+
+    char  *uri;
+    ngx_http_request_t *main;
+
+    ngx_connection_t *connection;
+    ngx_buff_t  *buff;
+    ngx_pool_t  *pool;
+
+    /* internal */
+    unsigned  unusual_uri:1;
+    unsigned  complex_uri:1;
+
+    int    state;
+    char  *uri_start;
+    char  *uri_end;
+    char  *uri_ext;
+    char  *args_start;
+    char  *header_name_start;
+    char  *header_name_end;
+    char  *header_start;
+    char  *header_end;
+#ifdef NGX_EVENT
+    int  (*state_handler)(ngx_http_request_t *r);
+#endif
+};
+
+
+#define NGX_INDEX "index.html"
+
+
+int ngx_http_init_connection(ngx_connection_t *c);
+
+
+#endif /* _NGX_HTTP_H_INCLUDED_ */