how an Application in C can get system info?

[ivand58]

Hi,

How a C application can get system information like

netstat -p tcp

?
I'm looking for a system call but not for calling the real netstat and parse the stdout.

 

[graudeejs]

It's all "Documented" here:
/usr/src/usr.bin/netstat/

 

[ondra_knezour]

Another good starting point may be sysconf(3) and sysctl(3).