{"author_url":"https://blog.hatena.ne.jp/odawara/","image_url":null,"url":"https://odawara.hatenadiary.org/entry/20080708/1215501958","provider_name":"Hatena Blog","published":"2008-07-08 16:25:58","blog_url":"https://odawara.hatenadiary.org/","title":"Windows\u306eUDP\u3067sendto\u3067\u304d\u308b\u6700\u5927\u30b5\u30a4\u30ba","author_name":"odawara","blog_title":"odawara\u306e\u300c\u306f\u3066\u306a de \u30e1\u30e2\u300d","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fodawara.hatenadiary.org%2Fentry%2F20080708%2F1215501958\" title=\"Windows\u306eUDP\u3067sendto\u3067\u304d\u308b\u6700\u5927\u30b5\u30a4\u30ba - odawara\u306e\u300c\u306f\u3066\u306a de \u30e1\u30e2\u300d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","version":"1.0","type":"rich","provider_url":"https://hatena.blog","categories":["VC"],"description":"\u63a2\u3057\u3066\u307f\u3066\u3082sendto\u306e\u6700\u5927\u30b5\u30a4\u30ba\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u305f\u3002 for(int i=0;i<MAX;i++){ int len = i; int r; r = sendto(Sock,buf,len,0,(SOCKADDR *)&addr,(int)sizeof(addr)); }\u3068\u3057\u3066\u3001MAX\u309270000\u304f\u3089\u3044\u306b\u3057\u3066\u5b9f\u884c(\u611f\u899a\u7684\u306b\u306funsigned short\u3067\u843d\u3061\u308b\u611f\u3058\u306a\u306e\u3067\u3053\u306e\u304f\u3089\u3044) \u7d50\u679c\u7684\u306b\u3001len = 65508\u3067WSAEMSGSIZE\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3002MSDN\u306b\u3088\u308c\u3070\u3001 WSAEMSGSIZE \u30bd\u30b1\u30c3\u30c8\u304c SOCK_DGRAM \u578b\u3067\u3001Windows \u30bd\u30b1\u30c3\u30c8\u306e\u5b9f\u2026","height":"190"}