#include <kernwin.hpp> // For read_selection() definition
#include <ua.hpp>

ea_t saddr, eaddr;
ea_t addr;

// Get the user selection
int selected = read_selection(&saddr, &eaddr);

if (selected)
{
    // Re-analyse the selected address range
    for (addr = saddr; addr <= eaddr; addr++)
        ua_code(addr);
}
else
{
    msg("No selection.\n");
}