user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<is_distance_under_recrusively>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%eax
  mov    0x48(%rsp),%ebx
  cmp    %ebx,0x40(%rsp)
  jge    L107
  mov    %rdi,%r14
  mov    %esi,%r12d
  mov    %rdx,%r15
  mov    %ecx,%r13d
  cmp    %esi,%r9d
  jne    L44
  mov    $0x1,%eax
  cmp    %ecx,%r8d
  jne    L44
L107:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L44:
  cmp    %r12d,%r9d
  jge    L10
  cmp    %r13d,%r8d
  jge    L10
  lea    0x1(%r9),%eax
  cltq
  mov    %r8d,%ebp
  movslq %r8d,%r8
  movslq %r9d,%r9
  sub    %r9,%r8
  lea    (%r15,%r8,1),%rdx
L48:
  lea    -0x1(%rax),%ebx
  movzbl -0x1(%rax,%rdx,1),%edi
  cmp    %dil,-0x1(%r14,%rax,1)
  jne    L55
  add    $0x1,%ebp
  mov    %eax,%ebx
  cmp    %eax,%r12d
  setg   %sil
  cmp    %ebp,%r13d
  setg   %cl
  add    $0x1,%rax
  test   %cl,%sil
  jne    L48
L148:
  cmp    %ebp,%r13d
  jle    L178
  lea    0x1(%rbp),%r8d
  imul   $0x4b0,%ebx,%eax
  add    %r8d,%eax
  cltq
  mov    0x50(%rsp),%rdx
  lea    (%rdx,%rax,4),%rax
  cmpl   $0x0,(%rax)
  je     L39
L178:
  mov    $0x0,%eax
  cmp    %ebx,%r12d
  jle    L107
  lea    0x1(%rbx),%r9d
  imul   $0x4b0,%r9d,%eax
  add    %ebp,%eax
  cltq
  mov    0x50(%rsp),%rbx
  lea    (%rbx,%rax,4),%rdx
  mov    $0x0,%eax
  cmpl   $0x0,(%rdx)
  jne    L107
  movl   $0x1,(%rdx)
  sub    $0x8,%rsp
  push   %rbx
  mov    0x58(%rsp),%eax
  push   %rax
  mov    0x58(%rsp),%eax
  add    $0x1,%eax
  push   %rax
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r15,%rdx
  mov    %r12d,%esi
  mov    %r14,%rdi
  call   <is_distance_under_recrusively>
  add    $0x20,%rsp
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  jmp    L107
L55:
  lea    0x1(%rbp),%r8d
  imul   $0x4b0,%eax,%edx
  add    %r8d,%edx
  movslq %edx,%rdx
  mov    0x50(%rsp),%rcx
  lea    (%rcx,%rdx,4),%rdx
  cmpl   $0x0,(%rdx)
  jne    L148
  movl   $0x1,(%rdx)
  sub    $0x8,%rsp
  push   %rcx
  mov    0x58(%rsp),%esi
  push   %rsi
  mov    0x58(%rsp),%edx
  add    $0x1,%edx
  push   %rdx
  mov    %eax,%r9d
  mov    %r13d,%ecx
  mov    %r15,%rdx
  mov    %r12d,%esi
  mov    %r14,%rdi
  call   <is_distance_under_recrusively>
  mov    %eax,%edx
  add    $0x20,%rsp
  mov    $0x1,%eax
  test   %edx,%edx
  je     L148
  jmp    L107
L39:
  movl   $0x1,(%rax)
  sub    $0x8,%rsp
  push   %rdx
  mov    0x58(%rsp),%eax
  push   %rax
  mov    0x58(%rsp),%eax
  add    $0x1,%eax
  push   %rax
  mov    %ebx,%r9d
  mov    %r13d,%ecx
  mov    %r15,%rdx
  mov    %r12d,%esi
  mov    %r14,%rdi
  call   <is_distance_under_recrusively>
  mov    %eax,%edx
  add    $0x20,%rsp
  mov    $0x1,%eax
  test   %edx,%edx
  je     L178
  jmp    L107
L10:
  mov    %r9d,%ebx
  mov    %r8d,%ebp
  jmp    L148
```

assistant: ```c
int is_distance_under_recrusively(char *a, int al, char *b, int bl, int x, int y, int l, int s, int *d) {
  int right;
  int bottom;
  if (l >= s) {
    return 0;
  }
  if (y == al && x == bl) {
    return 1;
  }
  while (y < al && x < bl && a[y] == b[x]) {
    x++;
    y++;
  }
  if (y < al && x < bl && !d[(y + 1) * 1200 + (x + 1)]) {
    d[(y + 1) * 1200 + (x + 1)] = 1;
    if (is_distance_under_recrusively(a, al, b, bl, x + 1, y + 1, l + 1, s, d)) {
      return 1;
    }
  }
  if (x < bl && !d[y * 1200 + (x + 1)]) {
    d[y * 1200 + (x + 1)] = 1;
    if (is_distance_under_recrusively(a, al, b, bl, x + 1, y, l + 1, s, d)) {
      return 1;
    }
  }
  if (y < al && !d[(y + 1) * 1200 + x]) {
    d[(y + 1) * 1200 + x] = 1;
    if (is_distance_under_recrusively(a, al, b, bl, x, y + 1, l + 1, s, d)) {
      return 1;
    }
  }
  return 0;
}
```