"Linux C Programming Practice"-my error-Correcting notes

All for reference only, welcome anyone to discuss

[Page] 151 [position] my_rwl.c [Type] Code error

[Description] From the book to see __LINE__, is an underscore, but in fact, the built-in macro is the front and back of each of the two sliding lines, namely _ _line_ _

[Page] 195 [position] studyuid.c [Type] Code error

[Description] The header file for Strerror () is string.h and needs to be added before code can run

[Page] 251 [position] ctrlpocess.c [Type] Code error

[description] Read function declaration: ssize_t Read (int fd, void *buf, size_t count), and stdin declaration is extern FILE *stdin, so read (stdin,buf,1024) does not match , change to read (0,buf,1024)

[Page] 299 [position] middle [type] Description deviation PS: Pending discussion

[description] int select (int Nfds, fd_set *readfds, Fd_set *writefds,fd_set *exceptfds, struct timeval *timeo UT);

The explanation for Nfds is this: the number of file descriptors that need to be monitored, and the explanation after man is

Nfds is the highest-numbered file descriptor in any of the three sets "the size of the highest value in all file descriptors"

Usage advice: Take the maximum file description Fugai

"Linux C Programming Practice"-my error-Correcting notes