user: 请将以下的汇编代码转换成C语言代码:

```asm
<LCS>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  cltq
  imul   %edx,%eax
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L97
L67:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  addl   $0x1,-0x18(%rbp)
L97:
  mov    -0x10(%rbp),%eax
  imul   -0xc(%rbp),%eax
  cmp    %eax,-0x18(%rbp)
  jl     L67
  movl   $0x1,-0x18(%rbp)
  jmp    L77
L42:
  movl   $0x1,-0x14(%rbp)
  jmp    L76
L33:
  mov    -0x14(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x30(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L20
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  sub    $0x1,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x14(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  add    $0x1,%edx
  mov    %edx,(%rax)
  jmp    L29
L20:
  mov    -0x18(%rbp),%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  sub    $0x1,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x14(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jle    L71
  mov    -0x18(%rbp),%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  sub    $0x1,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    (%rcx),%eax
  mov    %eax,(%rdx)
  jmp    L29
L71:
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%eax
  imul   -0xc(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    (%rcx),%eax
  mov    %eax,(%rdx)
L29:
  addl   $0x1,-0x14(%rbp)
L76:
  mov    -0x14(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L33
  addl   $0x1,-0x18(%rbp)
L77:
  mov    -0x18(%rbp),%eax
  cmp    -0x10(%rbp),%eax
  jl     L42
  mov    -0x38(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x10(%rbp),%eax
  imul   -0xc(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  leave
  ret
```

assistant: ```c
int LCS(char *a, char *b, int **mat) {
  int dim_a = strlen(a) + 1;
  int dim_b = strlen(b) + 1;
  int i, j, *m;
  m = (int *)malloc(sizeof(int) * dim_a * dim_b);
  for (i = 0; i < dim_a * dim_b; i++)
    m[i] = 0;
  for (i = 1; i < dim_a; i++) {
    for (j = 1; j < dim_b; j++) {
      if (strncmp(&a[i - 1], &b[j - 1], 1) == 0)
        m[i * dim_b + j] = m[(i - 1) * dim_b + (j - 1)] + 1;
      else if (m[i * dim_b + (j - 1)] > m[(i - 1) * dim_b + j])
        m[i * dim_b + j] = m[i * dim_b + (j - 1)];
      else
        m[i * dim_b + j] = m[(i - 1) * dim_b + j];
    }
  }
  *mat = m;
  return m[dim_a * dim_b - 1];
}
```