Send Ctrl+C to PID in Windows

ctrl+c.c

#include <Windows.h>
#include <stdio.h>

//sends ctrl+c to pid 
//compile with gcc, no options

//first and only argument: int PID
int main(int argc, char** argv){
    DWORD pid = atoi(argv[1]);
    printf ("Argument PID: %d\n",pid);

    if (!FreeConsole())
    {
        printf("Could not FreeConsole\n");
        exit(1);
    }
    if (!AttachConsole(pid)){
        printf("Error: could not attach console to specified PID\n");
        exit(2);
    }
    //Console is attached, do not print to STDOUT anymore, it would go to the connected Console
    
    if( ! GenerateConsoleCtrlEvent( CTRL_C_EVENT, 0 ) )
    {
        //could not GenerateConsoleCtrlEvent
        exit(3);
    }else{
        //all good, exit
        exit(0);
    }
    
}