user: Demonstrate the C code that generates the assembly output below:

```asm
<call>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %esi,-0x48(%rbp)
  mov    %rdx,%rbx
  mov    %ecx,-0x44(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    0x1(%rcx),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rax
  mov    %rax,-0x50(%rbp)
  lea    0x1(%rsi),%eax
  cltq
  imul   %rdx,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L113:
  cmp    %rdx,%rsp
  je     L52
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L113
L52:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L57
  orq    $0x0,-0x8(%rsp,%rax,1)
L57:
  mov    %rsp,%r8
  mov    %r8,-0x60(%rbp)
  mov    -0x48(%rbp),%eax
  test   %eax,%eax
  js     L68
  mov    -0x50(%rbp),%rsi
  shr    $0x2,%rsi
  lea    0x1(%rax),%ecx
  mov    $0x0,%eax
L82:
  movslq %eax,%rdx
  imul   %rsi,%rdx
  mov    %eax,(%r8,%rdx,4)
  add    $0x1,%eax
  cmp    %ecx,%eax
  jne    L82
L68:
  mov    -0x44(%rbp),%eax
  test   %eax,%eax
  js     L123
  lea    0x1(%rax),%edx
  mov    $0x0,%eax
  mov    -0x60(%rbp),%rcx
L33:
  mov    %eax,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L33
L123:
  mov    -0x48(%rbp),%eax
  test   %eax,%eax
  jle    L108
  mov    %rdi,%r15
  mov    -0x60(%rbp),%r9
  mov    %r9,%r14
  mov    %r9,%r13
  add    -0x50(%rbp),%r13
  lea    -0x1(%rax),%eax
  lea    0x1(%rdi,%rax,1),%rax
  mov    %rax,-0x58(%rbp)
  mov    %r13,%r8
  mov    -0x44(%rbp),%r12d
  jmp    L81
L23:
  mov    0x4(%r9,%rax,4),%edi
  mov    (%r8,%rax,4),%esi
  mov    (%r9,%rax,4),%ecx
  add    $0x1,%ecx
  lea    0x1(%rdi),%r10d
  lea    0x1(%rsi),%edx
  cmp    %esi,%edi
  cmovle %r10d,%edx
  cmp    %ecx,%edx
  cmovg  %ecx,%edx
  mov    %edx,0x4(%r8,%rax,4)
L5:
  add    $0x1,%rax
  cmp    %rax,%r12
  je     L104
L3:
  cmp    (%rbx,%rax,1),%r11b
  jne    L23
  mov    (%r14,%rax,4),%edx
  mov    %edx,0x4(%r13,%rax,4)
  jmp    L5
L104:
  add    $0x1,%r15
  mov    -0x50(%rbp),%rax
  add    %rax,%r14
  add    %rax,%r13
  add    %rax,%r8
  add    %rax,%r9
  cmp    -0x58(%rbp),%r15
  je     L108
L81:
  movzbl (%r15),%r11d
  cmpl   $0x0,-0x44(%rbp)
  jle    L104
  mov    $0x0,%eax
  jmp    L3
L108:
  movslq -0x44(%rbp),%rdx
  movslq -0x48(%rbp),%rcx
  mov    -0x50(%rbp),%rax
  shr    $0x2,%rax
  imul   %rcx,%rax
  add    %rdx,%rax
  mov    -0x60(%rbp),%rbx
  mov    (%rbx,%rax,4),%eax
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L70
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L70:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int call(const char *word1, int len1, const char *word2, int len2) {
  int matrix[len1 + 1][len2 + 1];
  int i;
  for (i = 0; i <= len1; i++) {
    matrix[i][0] = i;
  }
  for (i = 0; i <= len2; i++) {
    matrix[0][i] = i;
  }
  for (i = 1; i <= len1; i++) {
    int j;
    char c1;
    c1 = word1[i - 1];
    for (j = 1; j <= len2; j++) {
      char c2;
      c2 = word2[j - 1];
      if (c1 == c2) {
        matrix[i][j] = matrix[i - 1][j - 1];
      } else {
        int delete;
        int insert;
        int substitute;
        int minimum;
        delete = matrix[i - 1][j] + 1;
        insert = matrix[i][j - 1] + 1;
        substitute = matrix[i - 1][j - 1] + 1;
        minimum = delete;
        if (insert < minimum) {
          minimum = insert;
        }
        if (substitute < minimum) {
          minimum = substitute;
        }
        matrix[i][j] = minimum;
      }
    }
  }
  return matrix[len1][len2];
}
```