touch

1. Mark the prototype
   //_PROTOTYPE(int main, (int argc, char **argv));
   //_PROTOTYPE(int doit, (char *name, struct utimbuf tvp));
   //_PROTOTYPE(void usage, (void));
   //_PROTOTYPE(time_t parsetime, (const char *string, formatT format));
   
2. change the function to
   time_t parsetime(const char *string,formatT format)
   int main(int argc,char **argv)
   int doit(char *name,struct utimbuf tvp)
   
3. Android.mk
   LOCAL_PATH:= $(call my-dir)
   include $(CLEAR_VARS)
   LOCAL_SRC_FILES:= touch.c
   LOCAL_MODULE := touch
   include $(BUILD_EXECUTABLE)
   
4. Reference
   
   1. touch.c