#include <segment.hpp> // For segment functions
#include <bytes.hpp>

for (int i = 0; i < get_segm_qty(); i++)
{
    segment_t *seg = getnseg(i);
    
    if (seg->type == SEG_CODE)
    {
        // Look for any bytes in the code segment that aren't code.
        for (ea_t a = seg->startEA; a < seg->endEA; a++)
        {
            flags_t flags = getFlags(a);
            if (isHead(flags) && !isCode(flags))
                msg("Non-code at %a in segment: %s.\n", a, get_segm_name(seg));
        }
    }
}