Links for the web pages of this reference:

1. C Programming Reference Introduction.
2. The GNU C Library
3. The GNU C Library
4. GNU Make
5. Index of /~liberti/public/computing/prog
6. GNU gcc
7. GNU Operating System
8. Thinking in C: Foundations for Java & C++ by Chuck Allison
9. Head First C code
10. An Introduction to GCC - for the GNU compilers gcc and g++
11. The GNU C Library Reference Manual
12. Simplified Wrapper and Interface Generator
13. Learn C

Other useful info

1. GTK+ for Win32
2. GTK+ for C++
3. MinGW
4. Creating a shared and static library with the gnu compiler
5. How to Build Your Own C Library
6. How do I create a library of object files?
7. Guide: Making and Using Libraries
8. Creating a library with the GNU archiver
9. Building a library
10. C Libraries
11. 'fsf c style advice' google search
12. Richard Stallman
13. Free Software Foundation

To the wiki

1. Source page

Ruby C Extensions

1. Writing Ruby C extensions: Part 1
2. Writing Ruby C Extensions: Part 2

Video Lessons

1. https://www.youtube.com/watch?v=rk2fK2IIiiQ&list=PLkB3phqR3X40reMCBYSoNUPbDvM4kybMs
2. https://www.youtube.com/watch?v=Ps8jOj7diA0&list=PLD28639E2FFC4B86A
3. https://www.youtube.com/watch?v=JNsIMu1cvCI&list=PLsu3nQRCX0RKT1XO_R7OLRO5kIRH20_9l&index=1
4. https://www.youtube.com/watch?v=TL5vP45dYps&list=PL0170B6E7DD6D8810&index=1
5. https://www.youtube.com/watch?v=2NWeucMKrLI&index=1&list=PL6gx4Cwl9DGAKIXv8Yr6nhGJ9Vlcjyymq
6. https://www.youtube.com/watch?v=DWWQEmyVplU&list=PLZ1QII7yudbdFfKY1eKV3x_bag04AMPJq
7. https://www.youtube.com/watch?v=AWliApDc61w&list=PL2_aWCzGMAwLSqGsERZGXGkA5AfMhcknE
8. https://www.youtube.com/watch?v=AWliApDc61w&list=PL2_aWCzGMAwLSqGsERZGXGkA5AfMhcknE
9. https://www.youtube.com/watch?v=Jlbs8ly6OKA&list=PL76809ED684A081F3
10. https://www.youtube.com/watch?v=otm9NaT9OWU&list=PLCB9F975ECF01953C
11. https://www.youtube.com/watch?v=CKNjXvMB0MY&list=PLypxmOPCOkHXbJhUgjRaV2pD9MJkIArhg
12. https://www.youtube.com/watch?v=OiKufig9jZc&list=PLo80fWiInSIM9bqj3mh-lSpMWqyn9Euo3
13. https://www.youtube.com/watch?v=c5gg9F8h8Fw&list=PLfVsf4Bjg79CZ5kHTiQHcm-l2q8j06ofd
14. https://www.youtube.com/watch?v=iXEw_0hlM9A&list=PL_RGaFnxSHWoGzOXqtKeM71OLpvZbuU0P
15. https://www.youtube.com/watch?v=8Ib7nwc33uA&list=PLGLfVvz_LVvSaXCpKS395wbCcmsmgRea7
16. https://www.youtube.com/watch?v=de2Hsvxaf8M http://alvand.basu.ac.ir/~dezfoulian/files/Programming/
17. https://www.youtube.com/watch?v=nL3mIImK8uE
18. https://www.youtube.com/watch?v=KlPC3O1DVcg
19. https://www.youtube.com/watch?v=_7Fm_0deh6A