walk:                           /** walk function body **/
    pushl   %ebp
    movl    %esp, %ebp
    subl    $56, %esp
    movl    $0, -4(%ebp)        /* (pos = 0)        -> -4(%ebp) */
    movl    $100, -8(%ebp)      /* (steps = 100)    -> -8(%ebp) */
    movl    $.LC0, 4(%esp)      /* "r"              -> stack[1] */
    movl    $.LC1, (%esp)       /* "/dev/urandom"   -> stack[0] */
    call    fopen               /* Call fopen with 2 args from stack */
    movl    %eax, -12(%ebp)     /* *rand_stream     -> -12(%ebp) */
    movl    $0, -16(%ebp)       /* (i = 0)          -> -16(%ebp) */
    jmp     .L2                 /* goto loop condition */