{"title":"\u526f\u4f5c\u7528\u306e\u30bf\u30a4\u30df\u30f3\u30b0","image_url":null,"version":"1.0","provider_name":"Hatena Blog","url":"https://kilrey.hatenadiary.org/entry/20091118/p1","published":"2009-11-18 00:00:01","height":"190","type":"rich","categories":["\u8a00\u8a9e","\u30c0\u30e1\u306a\u30b3\u30fc\u30c9"],"blog_url":"https://kilrey.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/kilrey/","width":"100%","author_name":"kilrey","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkilrey.hatenadiary.org%2Fentry%2F20091118%2Fp1\" title=\"\u526f\u4f5c\u7528\u306e\u30bf\u30a4\u30df\u30f3\u30b0 - \u3046\u3063\u304f\u3064\u3055\u3093\u672c\u3092\u8aad\u3080\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u3046\u3063\u304f\u3064\u3055\u3093\u672c\u3092\u8aad\u3080\u3002","description":"\u3042\u308a\u304c\u3061\u30c0\u30e1\u306a\u30b3\u30fc\u30c9\u306e\u30c0\u30e1\u306a\u7406\u7531\u3092\u66f8\u304f\u30b3\u30fc\u30ca\u30fc\u3002 \u73fe\u8c61\u3002 C99\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9(tmp.c) #include <stdlib.h> #include <stdio.h> int main() { int i = 0; printf(\"(++i) + (++i) = %d\\n\", (++i) + (++i)); return 0; }\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001 $ gcc -std=c99 -pedantic -O0 -g tmp.c $ ./a.out (++i) + (++i) = 4 $ gcc -std=c99 -pedantic -O6 -g tmp.c $ ./a.out (++\u2026"}