#0  0x00000000004484c7 in ?? ()
#1  0x0000000000448cab in ?? ()
#2  0x000000000044cf1a in ultra_scan ()
#3  0x0000000000420d95 in ?? ()
#4  0x00000000004216b3 in nexthost ()
#5  0x000000000041cef7 in nmap_main ()
#6  0x0000000000418835 in main ()