rewind Rewind the position of a file pointer &reftitle.description; boolrewind resourcehandle Sets the file position indicator for handle to the beginning of the file stream. If you have opened the file in append ("a" or "a+") mode, any data you write to the file will always be appended, regardless of the file pointer position. &reftitle.parameters; handle The file pointer must be valid, and must point to a file successfully opened by fopen. &reftitle.returnvalues; &return.success; &reftitle.examples; <function>rewind</function> overwriting example ]]> &example.outputs.similar; &reftitle.seealso; fread fseek ftell fwrite