Update README.md

README.md

@@ -26,6 +26,14 @@ int main(int argc,char** argv){
   /* Short MD5 from c-string */
   printf("md5sum6: %s\n", md5sum6( cstring ).c_str());
   
+  /* Short MD5 from std::string */
+  printf("md5sum6: %s\n", md5sum6( str ).c_str());
+  
+  /* MD5 from opened file */
+  std::FILE* file = std::fopen("README.md", "rb");
+  printf("md5file: %s\n", md5file(file).c_str());
+  std::fclose(file);
+
   /* we're done */
   return EXIT_SUCCESS;
 }