[fpc-pascal]how-to disable CTRL-C in readkey

[Jose Pascual]

Hi,
 
I have a program which use keypressed and readkey (crt unit) 
in linux. When I press CTRL-C readkey return #3. It's okey 
and working but I like to disable this option in keyboard 
subsystem because I want to use my only CTRL-C function. 

I have implemented my function for signal SIGINT but I think 
keyboard subsystem is caching this signal and it doesn't 
reach to the my function.

best regards