{"json_modified": "2016-03-28T08:01:47.503425", "uuid": "a43580b7-2ff5-4ba8-8485-98c7e2f5e999", "title": "JS_GetStringBytes", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_GetStringBytes", "tags": ["Obsolete", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2014-12-28T06:04:58", "label": "JS_GetStringBytes", "localization_tags": [], "locale": "en-US", "id": 6221, "last_edit": "2014-12-28T06:04:52", "summary": "<strong><code>JS_GetStringBytes</code></strong> and <strong><code>JS_GetStringBytesZ</code></strong> convert the specified JavaScript string, <code>str</code>, to a C string (an array of 8-bit <code>char</code>s). If <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_CStringsAreUTF8\" title=\"By default, all C/C++ strings passed into the JSAPI are treated as ISO/IEC&#xA0;8859-1, also known as ISO-Latin-1. That is, each byte is treated as a Unicode character, and there is no way to pass in a string containing characters beyond U+00FF.\"><code>JS_CStringsAreUTF8</code></a> is true, then the returned string is UTF-8, and the conversion is lossless. Otherwise the high byte is simply dropped from each <code>jschar</code>. On success, the return value is a pointer to the char array, which is null-terminated. On failure, <code>JS_GetStringBytes</code> returns a pointer to a null-terminated empty string; <code>JS_GetStringBytesZ</code> returns <code>NULL</code>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Description", "title": "Description"}, {"id": "See_Also", "title": "See Also"}], "slug": "Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_GetStringBytes", "review_tags": []}