user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<calcMIp_line>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,-0x78(%rbp)
  mov    %esi,-0x7c(%rbp)
  mov    %edx,-0x80(%rbp)
  mov    %ecx,-0x84(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x80(%rbp),%edx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <calcMI@plt>
  mov    %rax,-0x58(%rbp)
  mov    -0x80(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x50(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L71:
  cmp    %rdx,%rsp
  je     L38
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L71
L38:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L51
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L51:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x48(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  movl   $0x0,-0x64(%rbp)
  movl   $0x0,-0x6c(%rbp)
  jmp    L0
L48:
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax,%rdx,8)
  movl   $0x0,-0x68(%rbp)
  jmp    L8
L19:
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm1
  mov    -0x64(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  movsd  %xmm0,(%rax,%rdx,8)
  addl   $0x1,-0x64(%rbp)
  addl   $0x1,-0x68(%rbp)
L8:
  mov    -0x68(%rbp),%eax
  cmp    -0x80(%rbp),%eax
  jl     L19
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm0
  mov    -0x80(%rbp),%eax
  sub    $0x1,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  divsd  %xmm1,%xmm0
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  movsd  %xmm0,(%rax,%rdx,8)
  mov    -0x48(%rbp),%rax
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm0
  movsd  -0x60(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  addl   $0x1,-0x6c(%rbp)
L0:
  mov    -0x6c(%rbp),%eax
  cmp    -0x80(%rbp),%eax
  jl     L48
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x80(%rbp),%xmm1
  movsd  -0x60(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  mov    -0x80(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x68(%rbp)
  jmp    L43
L50:
  mov    -0x84(%rbp),%eax
  imul   -0x80(%rbp),%eax
  mov    %eax,%edx
  mov    -0x68(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x48(%rbp),%rax
  mov    -0x84(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm2
  mov    -0x48(%rbp),%rax
  mov    -0x68(%rbp),%edx
  movslq %edx,%rdx
  movsd  (%rax,%rdx,8),%xmm1
  mulsd  %xmm2,%xmm1
  divsd  -0x60(%rbp),%xmm1
  mov    -0x68(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x68(%rbp)
L43:
  mov    -0x68(%rbp),%eax
  cmp    -0x80(%rbp),%eax
  jl     L50
  mov    -0x40(%rbp),%rax
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L52
  call   <__stack_chk_fail@plt>
L52:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
double *calcMIp_line(char m[], int n, int l, int pos) {
  double *mi = calcMI(m, n, l);
  int i, j, k;
  double mean[l], allmean = 0;
  k = 0;
  for (i = 0; i < l; i++) {
    mean[i] = 0;
    for (j = 0; j < l; j++) {
      mean[i] += mi[k];
      k++;
    }
    mean[i] = mean[i] / (l - 1);
    allmean += mean[i];
  }
  allmean = allmean / l;
  double *mip;
  mip = malloc(l * sizeof(double));
  for (j = 0; j < l; j++) {
    mip[j] = mi[pos * l + j] - ((mean[pos] * mean[j]) / allmean);
  }
  return mip;
}
```