Utilities

• http://libexplain.sourceforge.net/
• https://github.com/ridiculousfish/cdecl-blocks
  • https://cdecl.org/
• https://embed.cs.utah.edu/creduce/

libc

• http://www.gnu.org/software/libc/manual/
• https://musl.libc.org/manual.html
• http://www.open-std.org/JTC1/SC22/WG14/
• https://pubs.opengroup.org/onlinepubs/9699919799/
• https://uclibc.org/specs.html

Libraries

• pkg-config
  • apt get - how to map pkg-config names to yum/apt-get - Stack Overflow
  • GitHub - pkgconf/pkgconf: package compiler and linker metadata toolkit

C/C++

• https://github.com/MicrosoftDocs/cpp-docs
• https://github.com/include-what-you-use/include-what-you-use
• http://cppcheck.net/