Simulate keypress in a Linux C console application

Question

Is there any way to simulate a keypress in Linux using C?

In my specific situation, I\'m on Ubuntu 9.04 and need a simple app that invokes a press on the \"pause\" b

Answer 1

There's a programmable library called 'xdotool':

sudo apt-get install libxdo-dev libxdo2

cat test.c

#include 
#include 
#include 
#include 
int main() {
    xdo_t * x = xdo_new(":0.0");

    while(1) {
        printf("simulating Shift_L keypress\n");
        xdo_keysequence(x, CURRENTWINDOW, "Shift_L", 0);
        sleep(5);
    }

        return 0; 
}

Run like this:

gcc test.c -lxdo -o test