--- /dev/null
+#ifndef PHP_MILTER_H
+#define PHP_MILTER_H
+
+#include "libmilter/mfapi.h"
+
+#define MLFI_NONE 0
+#define MLFI_CONNECT 1
+#define MLFI_HELO 2
+#define MLFI_ENVFROM 3
+#define MLFI_ENVRCPT 4
+#define MLFI_HEADER 5
+#define MLFI_EOH 6
+#define MLFI_BODY 7
+#define MLFI_EOM 8
+#define MLFI_ABORT 9
+#define MLFI_CLOSE 10
+#define MLFI_INIT 11
+
+#define MG(v) TSRMG(milter_globals_id, zend_milter_globals *, v)
+
+typedef struct {
+ pthread_t thread;
+ MUTEX_T receiver;
+ MUTEX_T sender;
+ SMFICTX *ctx;
+ sfsistat retval;
+ int message;
+ void **args;
+} worker_thread;
+
+#endif