--- a/src/timeconv.h	Mon Nov 20 08:19:28 2017 -0800
+++ b/src/timeconv.h	Thu Dec 07 08:43:57 2017 -0800
@@ -24,6 +24,14 @@
        @return     result time_t value
      */
     time_t pst_fileTimeToUnixTime( const FILETIME* filetime);
+
+    /** Convert a FILETIME to string in date_format format.
+       @param[in]  filetime time structure to be converted
+       @param[in]  string ctime_r format of output date
+       @param[out] result   pointer to output buffer, must be at least 30 bytes.
+       @return     result size_t value returned by strftime
+     */
+    size_t pst_fileTimeToString( const FILETIME* filetime, const char* date_format, char* result);
 #ifdef __cplusplus
 }
 #endif