GCC manuals(C-Extensions.html)

6 Extensions to the C Language Family ¶ GNU C provides several language features not found in ISO standard C. (The -pedantic option directs GCC to print a warning message if any of these features is used.) To test for the availability of these features in conditional compilation, check for a predefined macro __GNUC__, which is always defined under GCC. These extensions are available in C and Objec

[masterq]

なにやら拡張がたくさん。全部頭に入れておくと色々うれしいことがありそう

[gamaguchi]

ClangとGCCのC拡張の話はここらへん．http://t.co/zLrAW7KH

[takanori_is]

GCC の独自拡張

[ttakezawa]

GCCのC/C++独自拡張について