编程参考 - 各种C/C++语言标准库libc
llvm-libc & libc++
“libc++” C++ Standard Library — libc++ documentation
https://github.com/llvm/llvm-project , 目录libc和libcxx
musl libc
musl libc
musl libc
musl - musl - an implementation of the standard library for Linux-based systems
Universal C Runtime in Windows OS
Introducing the Universal CRT - C++ Team Blog
C:\Program Files (x86)\Windows Kits\10\Source\10.0.17763.0\ucrt
X:\Microsoft Visual Studio 9.0\VC\crt\src
C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\crt\src
MSVC STL(C++ standard library):
Open Sourcing MSVC's STL - C++ Team Blog
https://github.com/microsoft/STL
GNU libc
http://www.gnu.org/software/libc/
Index of /gnu/glibc
GNU libc++
http://gcc.gnu.org/libstdc++/
gcc/libstdc++-v3 at master · gcc-mirror/gcc · GitHub
或者GCC下载下来，里面的目录
Mingw libraries (Public Domain)
MinGW-w64
OpenBSD’s libc
https://github.com/openbsd/src
https://github.com/openbsd/src/tree/master/lib/libc
Redhat Newlib (Open Source)
The Newlib Homepage
newlib ftp directory
https://github.com/bminor/newlib
klibc
Index of /pub/linux/libs/klibc/
Apache C++
Apache C++ Standard Library
PDOS操作系统中的small C library(Public Domain Operating System, currently x86 and 80386 and S/370 and S/390)
PDOS download | SourceForge.net
STLPort:
STLport: Welcome!
BSD libc and libc++
[base] Index of /head/lib/libc
https://github.com/freebsd/freebsd-src
library in MINIX 3 OS
Minix3
Diet libc
diet libc - a libc optimized for small size
bionic libc
https://android.googlesource.com/platform/bionic/
uclibc
https://uclibc.org/
smallclib
https://github.com/MIPS/smallclib
一个不错的在线查看代码的网站：
Code browser - Explore C++ code on the web
参考：
where can I download the standard C library source code? - C / C++
visual c++ - Where to get the source code for the C++ standard library? - Stack Overflow
https://en.wikipedia.org/wiki/C_standard_library#:~:text=The%20C%20standard%20library%20provides,several%20other%20operating%20system%20services.
Codescape GNU Toolchain