struct intbootinfo {
        union {
                struct {
                        unsigned long bp_pagesize;
                        unsigned long bp_nrpages;
                } u1_bp;
                char filler1[256];
        } bi_u1;
#define bi_pagesize     bi_u1.u1_bp.bp_pagesize
#define bi_nrpages      bi_u1.u1_bp.bp_nrpages
        union {
                char paths[8][128];
                struct magic {
                        unsigned long magic;
                        char filler2[1024 - sizeof(unsigned long)];
                } u2_d;
        } bi_u2;
        char bi_cmdline[256];
        char bi_settings[2048];
};