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我正在使用gmime库的c版本，并且在解析和提取似乎已经处于多部分形式的内容时出现问题。我以为解析内容是gmime将弄清楚如何正确地构建多，这样就简单GMime多部分内容
g_mime_multipart_get_part(mimeMessage, 0)
将返回SOAP-XML部分。很明显，我错了，我对mime和gmime库的理解有限，正在杀死我。请协助。提前感谢你。下面
GMimeStream * mimeStream = g_mime_stream_mem_new_with_buffer(incoming, n);
GMimeParser * mimeParser = g_mime_parser_new_with_stream(mimeStream);
g_object_unref(mimeStream);
GMimeMessage * mimeMessage = g_mime_parser_construct_message(mimeParser);
g_object_unref(mimeParser);
**原始内容*
------=_Part_5896175_1217116888.1478087584633
Content-Type: text/xml
<soap-env:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
...
</soap-env:Envelope>
------=_Part_5896175_1217116888.1478087584633
Content-Type: multipart/related;Start="<smil>";Type="application/smil";
boundary="----=_Part_5896174_292278572.1478087584547"
Content-ID: /mms/mm7/mm7client
------=_Part_5896174_292278572.1478087584547
Content-Type: application/smil;Name=smil.xml
Content-Transfer-Encoding: 7bit
Content-ID:<smil>
Content-Location:smil.xml
<smil><head><layout><root-layout width="320px" height="480px"/><region id="Text" left="0" top="320" width="320px" height="160px" fit="meet"/></layout></head><body><par dur="0ms"><text src="text_0.txt" region="Text"/></par></body></smil>
------=_Part_5896174_292278572.1478087584547
Content-Type: text/plain;Name=text_0.txt;Charset=utf-8
Content-Transfer-Encoding: 7bit
Content-ID:<text_0>
Content-Location:text_0.txt
Your MMS was read 02 Nov 2016 13:53
------=_Part_5896174_292278572.1478087584547--
------=_Part_5896175_1217116888.1478087584633--