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
  mov    %rdi,%r13
  mov    %ecx,%edi
  push   %r12
  mov    %rdx,%r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %esi,-0x4c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  mov    %ecx,%eax
  mov    %rsp,%rcx
  lea    0x1(%rax),%edx
  lea    0x1(%rsi),%eax
  movslq %edx,%rdx
  cltq
  imul   %rdx,%rax
  lea    0x0(,%rdx,4),%r15
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L19
L26:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L26
L19:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L2
L40:
  mov    %r15,%rax
  mov    -0x4c(%rbp),%edx
  mov    %rsp,%r14
  shr    $0x2,%rax
  mov    %rax,-0x60(%rbp)
  xor    %eax,%eax
  test   %edx,%edx
  js     L72
  mov    -0x60(%rbp),%rcx
  mov    -0x4c(%rbp),%esi
  nopl   0x0(%rax,%rax,1)
L100:
  movslq %eax,%rdx
  imul   %rcx,%rdx
  mov    %eax,(%r14,%rdx,4)
  mov    %eax,%edx
  add    $0x1,%eax
  cmp    %edx,%esi
  jne    L100
L72:
  movslq %edi,%r11
  xor    %eax,%eax
  test   %r11d,%r11d
  js     L55
  xchg   %ax,%ax
L139:
  mov    %rax,%rdx
  mov    %eax,(%r14,%rax,4)
  add    $0x1,%rax
  cmp    %r11,%rdx
  jne    L139
L55:
  mov    -0x4c(%rbp),%eax
  test   %eax,%eax
  jle    L57
  mov    -0x4c(%rbp),%eax
  mov    %r14,-0x58(%rbp)
  lea    (%r14,%r15,1),%r9
  mov    %r14,%r8
  mov    %edi,%r14d
  sub    $0x1,%eax
  lea    0x1(%r13,%rax,1),%rax
  mov    %rax,-0x48(%rbp)
  nopl   0x0(%rax)
L108:
  movzbl 0x0(%r13),%ebx
  xor    %eax,%eax
  test   %r14d,%r14d
  jle    L31
  nopl   0x0(%rax)
L46:
  mov    (%r8,%rax,4),%edx
  cmp    (%r12,%rax,1),%bl
  je     L54
  mov    0x4(%r8,%rax,4),%edi
  mov    (%r9,%rax,4),%esi
  add    $0x1,%edx
  lea    0x1(%rdi),%r10d
  cmp    %esi,%edi
  lea    0x1(%rsi),%ecx
  cmovle %r10d,%ecx
  cmp    %edx,%ecx
  cmovle %ecx,%edx
L54:
  mov    %edx,0x4(%r9,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%r11
  jne    L46
L31:
  add    $0x1,%r13
  add    %r15,%r9
  add    %r15,%r8
  cmp    -0x48(%rbp),%r13
  jne    L108
  mov    -0x58(%rbp),%r14
L57:
  movslq -0x4c(%rbp),%rax
  imul   -0x60(%rbp),%rax
  add    %r11,%rax
  mov    (%r14,%rax,4),%eax
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L35
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L2:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L40
L35:
  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];
}
```