user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<Search>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x38,%rsp
  mov    %edi,0x24(%rsp)
  shl    $0x3,%edi
  mov    %rsi,0x28(%rsp)
  call   <malloc@plt>
  movsd  0x0(%rbp),%xmm1
  pxor   %xmm7,%xmm7
  mov    %rax,0x10(%rsp)
  comisd %xmm7,%xmm1
  jbe    L233
  comisd 0x8(%rbp),%xmm1
  jbe    L233
L123:
  mov    0x10(%rsp),%rax
  lea    -0x1(%rbx),%edi
  mov    $0x1,%r12d
  movl   $0x0,(%rax)
  cmp    $0x1,%edi
  jg     L104
  nopl   0x0(%rax,%rax,1)
L4:
  movslq %edi,%rax
  pxor   %xmm7,%xmm7
  movsd  0x0(%rbp,%rax,8),%xmm0
  lea    0x0(,%rax,8),%rdx
  comisd %xmm7,%xmm0
  jbe    L134
  comisd -0x8(%rbp,%rdx,1),%xmm0
  jbe    L134
  mov    0x10(%rsp),%rdx
  movslq %r12d,%rax
  add    $0x1,%r12d
  mov    %edi,(%rdx,%rax,4)
L1:
  mov    0x24(%rsp),%eax
  mov    %r12d,%ecx
  add    $0x1,%eax
  sub    %eax,%ecx
  mov    %ecx,0x20(%rsp)
  test   %ecx,%ecx
  jle    L332
  mov    0x10(%rsp),%rcx
  movslq %r12d,%rax
  lea    -0x4(%rcx,%rax,4),%rax
  mov    %rax,0x18(%rsp)
  jmp    L103
  cs nopw 0x0(%rax,%rax,1)
L67:
  pxor   %xmm3,%xmm3
  comisd %xmm0,%xmm3
  ja     L238
L50:
  lea    -0x1(%r12),%ebx
  cmp    %r12d,%r15d
  jge    L180
L49:
  lea    -0x1(%r12),%ebx
  movslq %r15d,%rdi
  mov    %ebx,%eax
  shl    $0x2,%rdi
  sub    %r15d,%eax
  cmp    %r12d,%r15d
  lea    0x4(,%rax,4),%rdx
  mov    $0x4,%eax
  cmovge %rax,%rdx
  mov    0x10(%rsp),%rax
  lea    0x4(%rax,%rdi,1),%rsi
  add    %rax,%rdi
  call   <memmove@plt>
L180:
  subq   $0x4,0x18(%rsp)
  mov    %ebx,%r12d
  subl   $0x1,0x20(%rsp)
  je     L332
L103:
  mov    0x10(%rsp),%rdx
  pxor   %xmm4,%xmm4
  xor    %r13d,%r13d
  movslq (%rdx),%rax
  movsd  0x0(%rbp,%rax,8),%xmm0
  comisd %xmm4,%xmm0
  seta   %r13b
  cmp    $0x1,%r12d
  jle    L88
  lea    0x4(%rdx),%rbx
  xor    %r15d,%r15d
  mov    $0x1,%r14d
  nopw   0x0(%rax,%rax,1)
L324:
  movslq (%rbx),%rax
  movsd  0x0(%rbp,%rax,8),%xmm0
  call   <fabs@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,0x8(%rsp)
  movslq %r15d,%rax
  movslq (%rcx,%rax,4),%rax
  movsd  0x0(%rbp,%rax,8),%xmm0
  call   <fabs@plt>
  cmp    %rax,0x8(%rsp)
  movslq (%rbx),%rax
  cmovl  %r14d,%r15d
  movsd  0x0(%rbp,%rax,8),%xmm0
  test   %r13d,%r13d
  jne    L67
  pxor   %xmm2,%xmm2
  comisd %xmm2,%xmm0
  jbe    L50
  mov    $0x1,%r13d
L260:
  add    $0x1,%r14d
  add    $0x4,%rbx
  cmp    %r12d,%r14d
  jne    L324
L152:
  cmpl   $0x1,0x20(%rsp)
  jne    L50
  mov    0x18(%rsp),%r15
  movslq (%r15),%rax
  movsd  0x0(%rbp,%rax,8),%xmm0
  call   <fabs@plt>
  mov    0x10(%rsp),%r14
  mov    %rax,%rbx
  movslq (%r14),%rax
  movsd  0x0(%rbp,%rax,8),%xmm0
  call   <fabs@plt>
  cmp    %rax,%rbx
  mov    %r14,%rax
  cmovl  %r15,%rax
  mov    (%rax),%r15d
  cmp    %r12d,%r15d
  jl     L49
L332:
  mov    0x24(%rsp),%eax
  test   %eax,%eax
  js     L358
  mov    0x10(%rsp),%rdx
  movslq 0x24(%rsp),%rax
  mov    0x28(%rsp),%rcx
  lea    0x4(%rdx,%rax,4),%rsi
  mov    %rdx,%rax
  sub    %rdx,%rcx
  nopw   0x0(%rax,%rax,1)
L235:
  mov    (%rax),%edx
  mov    %edx,(%rcx,%rax,1)
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L235
L358:
  mov    0x10(%rsp),%rdi
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <free@plt>
L233:
  pxor   %xmm6,%xmm6
  comisd %xmm1,%xmm6
  ja     L347
L295:
  lea    -0x1(%rbx),%edi
  xor    %r12d,%r12d
  cmp    $0x1,%edi
  jle    L4
L104:
  lea    -0x3(%rbx),%edx
  mov    $0x1,%eax
  add    $0x1,%rdx
  jmp    L161
  nopl   0x0(%rax)
L27:
  comisd 0x8(%rbp,%rax,8),%xmm0
  jbe    L172
  pxor   %xmm5,%xmm5
  comisd %xmm5,%xmm0
  jbe    L172
L269:
  mov    0x10(%rsp),%rbx
  movslq %r12d,%rsi
  add    $0x1,%r12d
  mov    %ecx,(%rbx,%rsi,4)
L205:
  cmp    %rax,%rdx
  je     L4
  add    $0x1,%rax
  movapd %xmm0,%xmm1
L161:
  movsd  0x0(%rbp,%rax,8),%xmm0
  mov    %eax,%ecx
  comisd %xmm1,%xmm0
  jae    L27
L172:
  comisd %xmm0,%xmm1
  jb     L205
  movsd  0x8(%rbp,%rax,8),%xmm1
  comisd %xmm0,%xmm1
  jbe    L205
  pxor   %xmm6,%xmm6
  comisd %xmm0,%xmm6
  jbe    L205
  jmp    L269
L134:
  pxor   %xmm5,%xmm5
  comisd %xmm0,%xmm5
  jbe    L1
  movsd  -0x8(%rbp,%rdx,1),%xmm1
  comisd %xmm0,%xmm1
  jbe    L1
  mov    0x10(%rsp),%rdx
  movslq %r12d,%rax
  add    $0x1,%r12d
  mov    %edi,(%rdx,%rax,4)
  jmp    L1
L238:
  xor    %r13d,%r13d
  jmp    L260
L347:
  movsd  0x8(%rbp),%xmm0
  comisd %xmm1,%xmm0
  jbe    L295
  jmp    L123
L88:
  xor    %r15d,%r15d
  jmp    L152
```

assistant: ```c
void Search(int r, int Ext[], int gridsize, double E[]) {
  int i, j, k, l, extra;
  int up, alt;
  int *foundExt;
  foundExt = (int *)malloc((2 * r) * sizeof(int));
  k = 0;
  if (((E[0] > 0.0) && (E[0] > E[1])) || ((E[0] < 0.0) && (E[0] < E[1])))
    foundExt[k++] = 0;
  for (i = 1; i < gridsize - 1; i++) {
    if (((E[i] >= E[i - 1]) && (E[i] > E[i + 1]) && (E[i] > 0.0)) || ((E[i] <= E[i - 1]) && (E[i] < E[i + 1]) && (E[i] < 0.0)))
      foundExt[k++] = i;
  }
  j = gridsize - 1;
  if (((E[j] > 0.0) && (E[j] > E[j - 1])) || ((E[j] < 0.0) && (E[j] < E[j - 1])))
    foundExt[k++] = j;
  extra = k - (r + 1);
  while (extra > 0) {
    if (E[foundExt[0]] > 0.0)
      up = 1;
    else
      up = 0;
    l = 0;
    alt = 1;
    for (j = 1; j < k; j++) {
      if (fabs(E[foundExt[j]]) < fabs(E[foundExt[l]]))
        l = j;
      if ((up) && (E[foundExt[j]] < 0.0))
        up = 0;
      else if ((!up) && (E[foundExt[j]] > 0.0))
        up = 1;
      else {
        alt = 0;
        break;
      }
    }
    if ((alt) && (extra == 1)) {
      if (fabs(E[foundExt[k - 1]]) < fabs(E[foundExt[0]]))
        l = foundExt[k - 1];
      else
        l = foundExt[0];
    }
    for (j = l; j < k; j++) {
      foundExt[j] = foundExt[j + 1];
    }
    k--;
    extra--;
  }
  for (i = 0; i <= r; i++) {
    Ext[i] = foundExt[i];
  }
  free(foundExt);
}
```