gdb bt full

#5  0x0000000000401f36 in destroy_bullet (win_game=0x630970, list_bu=0x633660,
    target_bu=0x63dd20) at game.c:99
        bu_prev = 0x630970
        bu_cur = 0x100000047
        state = 1
#6  0x00000000004027fa in loop_bullets (win_game=0x630970, list_bu=0x633660,
    pl=0x62e800, list_ob=0x633640) at game.c:347
        bu_cur = 0x63dd20
        j = 5
        string = 0x63dd80 ""
        __PRETTY_FUNCTION__ = "loop_bullets"
#7  0x0000000000402a0e in loop_game (pl=0x62e800, list_win=0x630930,
    timer=0x633620, list_ob=0x633640, list_bu=0x633660) at game.c:389
        elapsed = 10
---Type <return> to continue, or q <return> to quit---
#8  0x0000000000403af1 in main () at main.c:66
        pl = 0x62e800
        list_win = 0x630930
        timer = 0x633620
        list_ob = 0x633640
        list_bu = 0x633660