bdos bdosptr delay _dos_close _dos_commit _dos_creat _dos_creatnew _dos_findfirst _dos_findnext _dos_getdate _dos_getdiskfree _dos_getdrive _dos_getfileattr _dos_getftime _dos_gettime _dos_lk64 _dos_lock _dos_open _dos_read _dos_setdate _dos_setdrive _dos_setfileattr _dos_setftime _dos_settime _dos_unlk64 _dos_unlock _dos_write _doserrno dosexterr dostrerr _flush_disk_cache getcbrk getdisk int386 int386x int86 int86x intdos intdosx setcbrk setdisk