源代码：<br>00020 #ifndef _ANSI_H<br>00021 #define _ANSI_H<br>00022<br>00023 #if __STDC__ == 1<br>00024 #define _ANSI 31459 /* compiler claims full ANSI conformance */<br>00025 #endif<br>00026<br>00027 #ifdef __GNUC__<br>00028 #define _ANSI 31459 /* gcc conforms enough even in non-ANSI mode */<br>00029 #endif
