The New C Standard
https://neutrino-digital.com/Lang/C/cbook1_2.zip
Functional C
https://neutrino-digital.com/Lang/C/book.zip
The GNU C Programming Tutorial
https://neutrino-digital.com/Lang/C/ctut.zip
The C Book
https://neutrino-digital.com/Lang/C/thecbook.zip
The GNU C Reference Manual
https://neutrino-digital.com/Lang/C/gnu-c-manual.zip
An Introduction to GCC
https://neutrino-digital.com/Lang/C/An_ ... to_GCC.zip
Essential C
https://neutrino-digital.com/Lang/C/EssentialC.zip