Where can I find the definitions for file mode flags such as S_IRUSR, S_IRUSR, S_IROTH.. etc...? I looked on sys/stat.h but couldn't find the same? ...
Where can I find the definitions for file mode flags such as S_IRUSR, S_IRUSR, S_IROTH.. etc...? I looked on sys/stat.h but couldn't find the same? ...
i'm aiming the getopt() machinery at my own argv-like array, after having used it on the real argv. the interface is non-reentrant (holds state), and ...
I found the following code works differently in macOS and Linux: When run on macOS and a SIGINT is sent to the process, its handler is executed onl ...
I have a custom implementation of printf which I use in my school projects. Wishing to have the same warnings that printf, I use __attribute__((format ...
The Single UNIX Specification Version 2 specifies the sprintf's format '-flag behavior as: The integer portion of the result of a decimal conversi ...
I was wondering whether it would be legit to allocate a buffer for stdio stream buffering and use it with setvbuf (before fork), where the buffer is a ...
I have code where I want to encapsulate a particular piece of code into a forked child so that if the code causes issues, it will not affect the paren ...
Signals differ between implementation. There are some nice tables in APUE (Advanced Programming in the Unix Environment), such as "Figure 10.1 UNIX Sy ...
By SuSv3, ssize_t is required to be a signed integer type. If I want to check if a value I calculate is larger than the maximal value allowed for such ...
What do POSIX and other standards say about the situation where multiple threads are doing poll() or select() calls on a single socket or pipe handle ...
This question concerns the various types that need to be defined in the required headers of the POSIX/SUS standard. Some types needs to be defined in ...