#include <kernwin.hpp> // For get_screen_ea() definition
#include <bytes.hpp>

ea_t addr = get_screen_ea();

// Cycle through 20 bytes from the cursor position
// printing a message if the byte is a head byte.
for (int i = 0; i < 20; i++)
{
    flags_t flags = getFlags(addr);
    
    if (isHead(flags))
        msg("%a is a head (flags = %08x).\n", addr, flags);
    
    addr++;
}