
How does #include <bits/stdc++.h> work in C++? [duplicate]
2014年8月14日 · That header file is not part of the C++ standard, is therefore non-portable, and should be avoided. Moreover, even if there were some catch-all header in the standard, you …
What is the __STDC_VERSION__ value for C11? - Stack Overflow
The intended final __STDC_VERSION__ value, 201112L, is also implemented (the editor forgot to update the 201ymmL placeholders before sending the document for publication by ISO). …
__STDC_LIB_EXT1__ availability in gcc and clang
2017年12月18日 · Since a quick Google search did not find anything, I will try to ask here (since many people involved in gcc/clang hang around here) - What is the status of …
How to find my current compiler's standard, like if it is C90, etc
2024年11月19日 · Check the manual about the flags, specially: __STDC_VERSION__. This macro expands to the C Standard's version number, a long integer constant of the form …
What do __STDC_LIMIT_MACROS and …
2009年6月12日 · __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS are a workaround to allow C++ programs to use stdint.h macros specified in the C99 standard that …
Why is the predefined macro __STDC_VERSION__ undefined?
2018年7月18日 · In my text book, STDC__VERSION is spelled with two underscores in the middle, and even for one underscore in the middle it does not work as well. – Ahmed Hesham …
"-D__STDC_FORMAT_MACROS" gnu compiler option
2024年12月6日 · Get rid of missing -D__STDC_CONSTANT_MACROS in Visual Studio. 1. GCC ignores calling convention attribute. 0.
Status of __STDC_IEC_559__ with modern C compilers
2015年7月2日 · So __STDC_IEC_559__ is defined by both GCC and Clang (with a glibc header file) which seems to disagree with the answer to the first question I linked to. I then tested musl …
why is __STDC_WANT_LIB_EXT2__ needed in C? - Stack Overflow
2021年12月30日 · Compilers and implementations of the C Standard Library (such as the GNU C Standard Library) which implemented these extensions usually "hid" them behind macros, …
Why does the C++ standard not mention __STDC_IEC_559__?
2015年8月23日 · The C++ standard (n3797) includes the C standard library by reference, see s1.2/2. The library described in Clause 7 of ISO/IEC 9899:1999 and Clause 7 of ISO/IEC …