<curses.h>

i want to write a C programm.i want to read a 2-dimension array from a file and using the library <curses.h> i want to delineate to the monitor the array.the monitor must every 40ms being refresing.i want to use the setitimer() function to achive this.the array will be similar like above

So, what have you tried so far ?

Where should we help exactly ?

how i can manage the signal for the setitime()