user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x748,%rsp
  lea    D2(%rip),%rbp
  xor    %r13d,%r13d
  mov    %rbp,%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x2738(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r15
  lea    0x13a0(%rsp),%rbx
  mov    %r15,%rsi
  mov    %r15,0x8(%rsp)
  call   <scanf@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    %r15,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%r14d
  mov    %rax,%r12
  mov    %eax,%r15d
  lea    0x0(,%r14,8),%rdi
  shl    $0x2,%r14
  call   <malloc@plt>
  mov    %rax,%rbp
  nopw   0x0(%rax,%rax,1)
L72:
  mov    $0x1,%esi
  mov    %r14,%rdi
  call   <calloc@plt>
  mov    %rax,0x0(%rbp,%r13,8)
  add    $0x1,%r13
  cmp    %r13d,%r15d
  jae    L72
  test   %r12d,%r12d
  je     L71
  lea    0x8(%rbp),%rax
  mov    0x8(%rsp),%r13
  mov    %rax,%r14
  mov    %rax,0x8(%rsp)
  lea    -0x1(%r12),%eax
  lea    0x11(%rsp,%rax,1),%r15
  lea    0x13a1(%rsp,%rax,1),%r11
  nopw   0x0(%rax,%rax,1)
L28:
  movzbl 0x0(%r13),%r8d
  mov    -0x8(%r14),%r9
  mov    %rbx,%rcx
  xor    %eax,%eax
  mov    (%r14),%rdi
  jmp    L69
  nopl   0x0(%rax,%rax,1)
L99:
  mov    (%r9,%rax,1),%edx
  mov    (%rdi,%r10,1),%r10d
  cmp    %r10d,%edx
  cmovb  %r10d,%edx
  add    $0x1,%rcx
  mov    %edx,(%rsi)
  cmp    %rcx,%r11
  je     L65
L69:
  mov    %rax,%r10
  add    $0x4,%rax
  lea    (%rdi,%rax,1),%rsi
  cmp    (%rcx),%r8b
  jne    L99
  mov    (%r9,%r10,1),%edx
  add    $0x1,%rcx
  add    $0x1,%edx
  mov    %edx,(%rsi)
  cmp    %rcx,%r11
  jne    L69
L65:
  add    $0x1,%r13
  add    $0x8,%r14
  cmp    %r15,%r13
  jne    L28
L23:
  mov    0x0(%rbp,%r12,8),%rax
  lea    D3(%rip),%rdi
  lea    0x0(,%r12,8),%r13
  mov    %rbp,%rbx
  mov    (%rax,%r12,4),%esi
  xor    %eax,%eax
  call   <printf@plt>
  add    0x8(%rsp),%r13
  nopl   0x0(%rax,%rax,1)
L64:
  mov    (%rbx),%rdi
  add    $0x8,%rbx
  call   <free@plt>
  cmp    %r13,%rbx
  jne    L64
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x2738(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x2748,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L71:
  lea    0x8(%rbp),%rax
  mov    %rax,0x8(%rsp)
  jmp    L23
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D2
type_guessed: string
name: parse_data
arguments: data_label: D3
type_guessed: string

tool: D2: %s

tool: D3: %u


assistant: ```c
int main() {
  char a[5001];
  char b[5001];
  scanf("%s", a);
  scanf("%s", b);
  unsigned int len = strlen(a);
  unsigned int **c = malloc(sizeof(unsigned int *) * (len + 1));
  for (unsigned int i = 0; i <= len; i++) {
    c[i] = malloc(sizeof(unsigned int) * (len + 1));
    memset(c[i], 0, sizeof(unsigned int) * (len + 1));
  }
  for (unsigned int i = 1; i <= len; i++) {
    for (unsigned int j = 1; j <= len; j++) {
      if (a[i - 1] == b[j - 1]) {
        c[i][j] = c[i - 1][j - 1] + 1;
      } else {
        if (c[i - 1][j] >= c[i][j - 1]) {
          c[i][j] = c[i - 1][j];
        } else {
          c[i][j] = c[i][j - 1];
        }
      }
    }
  }
  printf("%u\n", c[len][len]);
  for (unsigned int i = 0; i <= len; i++) {
    free(c[i]);
  }
  free(c);
  return 0;
}
```