-typedef signed char int8_t;
-#endif
-typedef unsigned char uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned int uint32_t;
+typedef signed char int8_t;
+typedef signed short int16_t;
+typedef signed int int32_t;
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;