user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<dumpBuffer>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %esi,0x8(%rsp)
  test   %esi,%esi
  jle    L8
  mov    %esi,%r14d
  mov    %rdi,%rbx
  mov    $0xa,%edi
  xor    %r12d,%r12d
  call   <putchar@plt>
  lea    -0x1(%r14),%eax
  movl   $0x0,0x4(%rsp)
  lea    D48(%rip),%r14
  mov    %eax,0xc(%rsp)
  nopl   0x0(%rax,%rax,1)
L25:
  mov    0x4(%rsp),%esi
  lea    D7(%rip),%rdi
  xor    %eax,%eax
  mov    %r12d,%r13d
  mov    $0x1,%r15d
  call   <printf@plt>
  mov    0xc(%rsp),%ebp
  sub    %r12d,%ebp
  add    $0x1,%rbp
  jmp    L46
  nopl   0x0(%rax,%rax,1)
L133:
  add    $0x1,%r15
L46:
  movzbl -0x1(%rbx,%r15,1),%esi
  mov    %r14,%rdi
  xor    %eax,%eax
  lea    0x0(%r13,%r15,1),%r12d
  call   <printf@plt>
  mov    %r15d,%ecx
  cmp    %rbp,%r15
  je     L38
  cmp    $0x10,%r15
  je     L26
  cmp    $0x8,%r15d
  jne    L133
  mov    $0x20,%edi
  call   <putchar@plt>
  jmp    L133
  nopl   (%rax)
L26:
  lea    D18(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x10,%ecx
L106:
  movslq %ecx,%rbp
  mov    $0x1,%r13d
  jmp    L125
  xchg   %ax,%ax
L120:
  add    $0x1,%r13
L125:
  movzbl -0x1(%rbx,%r13,1),%edi
  lea    -0x20(%rdi),%eax
  cmp    $0x5f,%al
  jbe    L108
  mov    $0x2e,%edi
L108:
  call   <putchar@plt>
  cmp    %r13,%rbp
  je     L78
  cmp    $0x8,%r13d
  jne    L120
  mov    $0x20,%edi
  call   <putchar@plt>
  jmp    L120
  nopw   0x0(%rax,%rax,1)
L78:
  mov    $0xa,%edi
  add    $0x10,%rbx
  call   <putchar@plt>
  cmp    0x8(%rsp),%r12d
  je     L101
  addl   $0x1,0x4(%rsp)
  jmp    L25
  nopw   0x0(%rax,%rax,1)
L38:
  cmp    $0x10,%r15d
  je     L113
  mov    %r15d,%r13d
  nopl   0x0(%rax)
L79:
  xor    %eax,%eax
  lea    D18(%rip),%rdi
  add    $0x1,%r13d
  mov    %ecx,(%rsp)
  call   <printf@plt>
  cmp    $0x10,%r13d
  mov    (%rsp),%ecx
  jne    L79
L113:
  lea    D18(%rip),%rdi
  xor    %eax,%eax
  mov    %ecx,(%rsp)
  call   <printf@plt>
  mov    (%rsp),%ecx
  jmp    L106
  nopw   0x0(%rax,%rax,1)
L101:
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x18,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <putchar@plt>
L8:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: unpack_data
arguments: label: D48
type_guessed: string
name: unpack_data
arguments: label: D7
type_guessed: string
name: unpack_data
arguments: label: D18
type_guessed: string

tool: D48: %02x 

tool: D7: %03x0: 

tool: D18:    

assistant: ```c
void dumpBuffer(unsigned char *buf, int length) {
  int j = 0, i, k, l = 0;
  if (length <= 0)
    return;
  putchar('\n');
  for (;; ++l) {
    printf("%03x0: ", l);
    for (i = 0; i < 16; ++i) {
      if (i == 8)
        putchar(' ');
      printf("%02x ", buf[16 * l + i]);
      ++j;
      if (j == length)
        break;
    }
    if (j == length) {
      for (k = i + 1; k < 16; ++k)
        printf("   ");
      if (k == 8)
        putchar(' ');
      ++i;
    }
    printf("   ");
    for (k = 0; k < i; ++k) {
      if (k == 8)
        putchar(' ');
      if ((buf[16 * l + k] > 31) && (buf[16 * l + k] < 128))
        putchar(buf[16 * l + k]);
      else
        putchar('.');
    }
    putchar('\n');
    if (j == length)
      break;
  }
  putchar('\n');
  putchar('\n');
}
```