user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<real>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %rsi,%rbx
  mov    %rdx,0x10(%rsp)
  mov    %ecx,%r14d
  mov    %r8d,%r15d
  movsd  %xmm0,0x18(%rsp)
  mov    %r9d,0x24(%rsp)
  lea    0x1(%rcx),%eax
  cltq
  shl    $0x3,%rax
  mov    %rax,(%rsp)
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  test   %r14d,%r14d
  js     L38
  lea    0x1(%r15),%r13d
  movslq %r13d,%r13
  lea    0x0(,%r13,4),%rcx
  mov    %rcx,0x38(%rsp)
  mov    %rax,%r12
  lea    0x1(%r14),%eax
  lea    0x0(%rbp,%rax,8),%rdi
  mov    %r15d,%eax
  lea    0x1(%rax),%r13
  mov    %rbp,0x28(%rsp)
  mov    %rdi,%rbp
  mov    %rbx,0x30(%rsp)
  mov    %rcx,%rbx
L19:
  mov    %rbx,%rdi
  call   <malloc@plt>
  mov    %rax,(%r12)
  test   %r15d,%r15d
  js     L156
  mov    %rax,%rdx
  lea    (%rax,%r13,4),%rax
L42:
  movl   $0x0,(%rdx)
  add    $0x4,%rdx
  cmp    %rax,%rdx
  jne    L42
L156:
  add    $0x8,%r12
  cmp    %rbp,%r12
  jne    L19
  mov    0x28(%rsp),%rbp
  mov    0x30(%rsp),%rbx
  test   %r14d,%r14d
  jle    L5
  mov    %rbp,%rcx
  mov    0x10(%rsp),%r10
  add    $0x8,%r10
  mov    0x8(%rsp),%r9
  mov    $0x1,%r12d
  lea    0x1(%r15),%r11d
  movq   D5(%rip),%xmm1
  movapd %xmm1,%xmm3
  movsd  0x18(%rsp),%xmm2
  mov    0x24(%rsp),%r8d
  jmp    L108
L45:
  mov    (%rcx),%rsi
  mov    0x4(%rsi,%rax,1),%r13d
  mov    0x8(%rcx),%rsi
  mov    (%rsi,%rax,1),%edi
  cmp    %edi,%r13d
  jl     L2
  mov    %r13d,0x4(%rsi,%rax,1)
  mov    (%r10),%rsi
  movb   $0x1,(%rsi,%rdx,1)
L128:
  add    $0x1,%rdx
  add    $0x4,%rax
  cmp    %rdx,%r11
  je     L82
L63:
  movsd  (%r9),%xmm0
  subsd  (%rbx,%rax,2),%xmm0
  andpd  %xmm1,%xmm0
  comisd %xmm0,%xmm2
  jbe    L45
  mov    %r12d,%esi
  sub    %edx,%esi
  pxor   %xmm0,%xmm0
  cvtsi2sd %esi,%xmm0
  andpd  %xmm3,%xmm0
  pxor   %xmm4,%xmm4
  cvtsi2sd %r8d,%xmm4
  comisd %xmm0,%xmm4
  jb     L45
  mov    0x8(%rcx),%rdi
  mov    (%rcx),%rsi
  mov    (%rsi,%rax,1),%esi
  add    $0x1,%esi
  mov    %esi,0x4(%rdi,%rax,1)
  mov    (%r10),%rsi
  movb   $0x0,(%rsi,%rdx,1)
  jmp    L128
L2:
  mov    %edi,0x4(%rsi,%rax,1)
  mov    (%r10),%rsi
  movb   $0x2,(%rsi,%rdx,1)
  jmp    L128
L82:
  add    $0x1,%r12d
  add    $0x8,%rcx
  add    $0x8,%r10
  add    $0x8,%r9
  cmp    %r12d,%r14d
  jl     L159
L108:
  mov    $0x0,%eax
  mov    $0x1,%edx
  test   %r15d,%r15d
  jg     L63
  jmp    L82
L159:
  movslq %r15d,%rdx
  mov    (%rsp),%rax
  mov    -0x8(%rbp,%rax,1),%rax
  mov    (%rax,%rdx,4),%r12d
  mov    $0x0,%ebx
L83:
  mov    0x0(%rbp,%rbx,8),%rdi
  call   <free@plt>
  add    $0x1,%rbx
  cmp    %ebx,%r14d
  jge    L83
L105:
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r12d,%eax
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L5:
  mov    (%rsp),%rax
  mov    -0x8(%rbp,%rax,1),%rax
  mov    0x38(%rsp),%rbx
  mov    -0x4(%rax,%rbx,1),%r12d
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  jmp    L105
L38:
  movslq %r15d,%rax
  mov    (%rsp),%rbx
  mov    -0x8(%rbp,%rbx,1),%rdx
  mov    (%rdx,%rax,4),%r12d
  jmp    L105
```

tool_calls: name: retrieve_data
arguments: tag: D5
type: qword

tool: D5: 9223372036854775807

assistant: ```c
int real(double *x, double *y, char **b, int n, int m, double eps, int delta) {
  int i, j;
  int **c;
  int ret;
  c = (int **)malloc((n + 1) * sizeof(int *));
  for (i = 0; i <= n; i++) {
    c[i] = (int *)malloc((m + 1) * sizeof(int));
    for (j = 0; j <= m; j++)
      c[i][j] = 0;
  }
  for (i = 1; i <= n; i++)
    for (j = 1; j <= m; j++) {
      if ((fabs(x[i - 1] - y[j - 1]) < eps) && (fabs((i - 1) - (j - 1)) <= delta)) {
        c[i][j] = c[i - 1][j - 1] + 1;
        b[i][j] = 0;
      } else if (c[i - 1][j] >= c[i][j - 1]) {
        c[i][j] = c[i - 1][j];
        b[i][j] = 1;
      } else {
        c[i][j] = c[i][j - 1];
        b[i][j] = 2;
      }
    }
  ret = c[n][m];
  for (i = 0; i <= n; i++)
    free(c[i]);
  free(c);
  return ret;
}
```