user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<hexdump>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  movl   $0x0,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <map_memory@plt>
  mov    %rax,-0x8(%rbp)
  cmpl   $0x100000,-0x2c(%rbp)
  jle    L126
  mov    -0x2c(%rbp),%eax
  mov    $0x100000,%edx
  mov    %eax,%esi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x100000,-0x2c(%rbp)
L126:
  movl   $0x0,-0x14(%rbp)
  jmp    L4
L25:
  addl   $0x1,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L43
L71:
  mov    -0x14(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  je     L87
  movl   $0x0,-0x10(%rbp)
  jmp    L91
L87:
  addl   $0x1,-0xc(%rbp)
L43:
  cmpl   $0xf,-0xc(%rbp)
  jle    L71
L91:
  cmpl   $0x1,-0x10(%rbp)
  jg     L112
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D46(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0xc(%rbp)
  jmp    L8
L122:
  mov    -0x14(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,%esi
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0xc(%rbp)
L8:
  cmpl   $0xf,-0xc(%rbp)
  jle    L122
  lea    D47(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0xc(%rbp)
  jmp    L26
L63:
  mov    -0x14(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <isprint@plt>
  test   %rax,%rax
  je     L101
  mov    -0x14(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  jmp    L134
L101:
  mov    $0x2e,%eax
L134:
  mov    %eax,%edi
  call   <putchar@plt>
  addl   $0x1,-0xc(%rbp)
L26:
  cmpl   $0xf,-0xc(%rbp)
  jle    L63
  mov    $0xa,%edi
  call   <putchar@plt>
  jmp    L103
L112:
  cmpl   $0x2,-0x10(%rbp)
  jne    L103
  lea    D33(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L103:
  addl   $0x10,-0x14(%rbp)
L4:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L25
  mov    $0x0,%eax
  call   <unmap_memory@plt>
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D27
type_guessed: string
name: retrieve_data
arguments: tag: D46
type_guessed: string
name: retrieve_data
arguments: tag: D31
type_guessed: string
name: retrieve_data
arguments: tag: D47
type_guessed: string
name: retrieve_data
arguments: tag: D33
type_guessed: string

tool: D27: Truncating hex dump from %d to %d bytes



tool: D46: %08lx:

tool: D31:  %02x

tool: D47:   

tool: D33: ...

assistant: ```c
void hexdump(unsigned long memory, int length) {
  int i;
  uint8_t *m;
  int all_zero = 0;
  m = map_memory((intptr_t)memory);
  if (length > (1024 * 1024)) {
    printf("Truncating hex dump from %d to %d bytes\n\n", length, (1024 * 1024));
    length = (1024 * 1024);
  }
  for (i = 0; i < length; i += 16) {
    int j;
    all_zero++;
    for (j = 0; j < 16; j++) {
      if (m[i + j] != 0) {
        all_zero = 0;
        break;
      }
    }
    if (all_zero < 2) {
      printf("%08lx:", memory + i);
      for (j = 0; j < 16; j++)
        printf(" %02x", m[i + j]);
      printf("  ");
      for (j = 0; j < 16; j++)
        printf("%c", isprint(m[i + j]) ? m[i + j] : '.');
      printf("\n");
    } else if (all_zero == 2) {
      printf("...\n");
    }
  }
  unmap_memory();
}
```