--- sfkmatch.hpp
+++ sfkmatch.hpp
@@ -3,18 +3,13 @@
    ==============================================================
 */
 
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
 #include <ctype.h>
 
-#ifndef _STDINT_H
-typedef unsigned char  uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned       uint32_t;
-typedef long long      int64_t;
-#endif
 
 #define MAX_LINE_LEN               4096
 #define SFKMATCH_DEFAULT_MAXLEN    MAX_LINE_LEN