Water supply ...
12.1 Buy:
General name (for later writing, water)
U
Fourth edition C
G
Volume 1 Protocol T
After returning home, I immediately saw U. I quickly browsed the first chapter, I found that several original don't know Dongdong:
1. Ourhdr.h has been W. half a day is W.
Richard writes
2. stdout_fileno ... stdin ... Standard input / output / error usage is very good, simple and clear
3. Errno content is more, you have to study carefully
4. System call program
---> C function
---> System call
| ^ | --------------------------
5. Category pointer void * 万能 万能
