user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  lea    D25(%rip),%r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  movdqa D36(%rip),%xmm0
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  lea    0x50(%rsp),%rax
  lea    0x20(%rsp),%rbx
  movaps %xmm0,0x20(%rsp)
  movdqa D58(%rip),%xmm0
  lea    0x18(%rsp),%r13
  mov    %rax,0x8(%rsp)
  movaps %xmm0,0x30(%rsp)
  movdqa D35(%rip),%xmm0
  movaps %xmm0,0x40(%rsp)
  nopl   0x0(%rax)
L19:
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <time_clocks@plt>
  mov    -0x4(%rbx),%r14d
  mov    %r13,%rsi
  mov    %eax,%r15d
  mov    %r14d,%edi
  call   <errUnsignedToBase2Exponent@plt>
  mov    %eax,%ebp
  xor    %eax,%eax
  call   <time_clocks@plt>
  mov    0x18(%rsp),%ecx
  mov    %r14d,%edx
  mov    %ebp,%esi
  sub    %r15d,%eax
  mov    %r12,%rdi
  mov    %eax,%r8d
  xor    %eax,%eax
  call   <printf@plt>
  cmp    0x8(%rsp),%rbx
  jne    L19
  lea    D71(%rip),%rdi
  call   <puts@plt>
  lea    0x1c(%rsp),%rsi
  mov    $0x800,%edi
  call   <errUnsignedToBase2Exponent@plt>
  mov    0x1c(%rsp),%ebp
  mov    $0x800,%edx
  lea    D5(%rip),%rdi
  mov    %eax,%esi
  mov    $0xaaaaaaab,%eax
  mov    %rbp,%rcx
  imul   %rax,%rbp
  xor    %eax,%eax
  mov    %rbp,%rbx
  shr    $0x21,%rbp
  mov    %ebp,%r8d
  shr    $0x20,%rbx
  call   <printf@plt>
  shr    $0x11,%ebx
  lea    D45(%rip),%rdi
  call   <puts@plt>
  lea    D10(%rip),%rdi
  xor    %eax,%eax
  mov    %ebp,%esi
  movzwl %bp,%ecx
  movzbl %bl,%edx
  call   <printf@plt>
  lea    D49(%rip),%rdi
  call   <puts@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L14:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D25
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D36
type_guessed: byte[16]
name: extract_symbolic_data
arguments: data_label: D58
type_guessed: byte[16]
name: extract_symbolic_data
arguments: data_label: D35
type_guessed: byte[16]
name: extract_symbolic_data
arguments: data_label: D71
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D5
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D45
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D10
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D49
type_guessed: string

tool: D25: Error=%02d	number=0x%08X	Base2Exponent=0x%08X		clocks:%d


tool: {"D36": [0x00,0x00,0x00,0x60,0x00,0x08,0x00,0x00,0xff,0x07,0x00,0x00,0x01,0x08,0x00,0x00]}

tool: {"D58": [0xff,0x1f,0x00,0x00,0x40,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D35": [0x08,0x00,0x00,0x00,0x11,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

tool: D71: 

------------------------- cube root demo ---------------------

tool: D5: Error=%02d	number=0x%08X	Base2Exponent=0x%08X	0x%08X


tool: D45: exact: 2048 ^ (1/3) = 12.699208

tool: D10: result: %X integer part = %X  fractional part = %X


tool: D49: means: 2 ^ ( 3 + 1/2 + 1/8 + 1/32 + 1/128 .... + 1/32768) = 12.699118

assistant: ```c
int main(int argc, char *argv[]) {
  unsigned num[] = {0x60000000, 2048, 2047, 2049, 0x1FFF, 0x40, 2, 4, 8, 17, 0, 0x80000000};
  unsigned n, n1, n2, exp, exp1, exp2;
  int err, i;
  int start, end;
  for (i = 0; i < sizeof(num) / sizeof(unsigned); i++) {
    start = time_clocks();
    err = errUnsignedToBase2Exponent(num[i], &exp);
    end = time_clocks();
    printf("Error=%02d\tnumber=0x%08X\tBase2Exponent=0x%08X\t\tclocks:%d\n", err, num[i], exp, end - start);
  }
  printf("\n\n------------------------- cube root demo ---------------------\n");
  n1 = 2048;
  err = errUnsignedToBase2Exponent(n1, &exp1);
  exp2 = exp1 / 3;
  printf("Error=%02d\tnumber=0x%08X\tBase2Exponent=0x%08X\t0x%08X\n", err, n1, exp1, exp2);
  printf("exact: 2048 ^ (1/3) = 12.699208\n");
  printf("result: %X integer part = %X  fractional part = %X\n", exp2, (exp2 & 0xFF0000) >> 16, exp2 & 0xFFFF);
  printf("means: 2 ^ ( 3 + 1/2 + 1/8 + 1/32 + 1/128 .... + 1/32768) = 12.699118\n");
  return 0;
}
```