user: 请将以下的汇编代码转换成C语言代码：

```asm
<ddump>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  movl   $0x0,-0x18(%rbp)
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  jmp    L39
L45:
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    %eax,%esi
  lea    D23(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  mov    -0x18(%rbp),%eax
  add    $0x10,%eax
  cmp    %eax,-0xc(%rbp)
  jle    L108
  movl   $0x10,-0x10(%rbp)
  jmp    L121
L108:
  mov    -0xc(%rbp),%eax
  sub    -0x18(%rbp),%eax
  mov    %eax,-0x10(%rbp)
L121:
  movl   $0x0,-0x14(%rbp)
  jmp    L113
L37:
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%esi
  lea    D10(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  addl   $0x1,-0x14(%rbp)
L113:
  mov    -0x14(%rbp),%eax
  cmp    -0x10(%rbp),%eax
  jl     L37
  movl   $0x0,-0x14(%rbp)
  jmp    L55
L20:
  lea    D29(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  addl   $0x1,-0x14(%rbp)
L55:
  mov    $0x10,%eax
  sub    -0x10(%rbp),%eax
  cmp    %eax,-0x14(%rbp)
  jl     L20
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  movl   $0x0,-0x14(%rbp)
  jmp    L102
L117:
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x1f,%al
  jbe    L124
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x7e,%al
  ja     L124
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%esi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  jmp    L79
L124:
  lea    D58(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
L79:
  addl   $0x1,-0x14(%rbp)
L102:
  mov    -0x14(%rbp),%eax
  cmp    -0x10(%rbp),%eax
  jl     L117
  lea    D67(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <dprintf@plt>
  addl   $0x10,-0x18(%rbp)
L39:
  mov    -0x18(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L45
  nop
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D31
type_infered: string
name: extract_symbolic_data
arguments: tag: D23
type_infered: string
name: extract_symbolic_data
arguments: tag: D10
type_infered: string
name: extract_symbolic_data
arguments: tag: D29
type_infered: string
name: extract_symbolic_data
arguments: tag: D54
type_infered: string
name: extract_symbolic_data
arguments: tag: D16
type_infered: string
name: extract_symbolic_data
arguments: tag: D58
type_infered: string
name: extract_symbolic_data
arguments: tag: D67
type_infered: string

tool: D31:  [Addr]   .0 .1 .2 .3 .4 .5 .6 .7 .8 .9 .A .B .C .D .E .F


tool: D23: %08X: 

tool: D10: %02x 

tool: D29:    

tool: D54:     

tool: D16: %c

tool: D58: .

tool: D67: 


assistant: ```c
void ddump(unsigned char *pData, int len) {
  unsigned char *sbuf = pData;
  int length = len;
  int i = 0, j, offset;
  dprintf(" [Addr]   .0 .1 .2 .3 .4 .5 .6 .7 .8 .9 .A .B .C .D .E .F\r\n");
  while (i < length) {
    dprintf("%08X: ", (int)(sbuf + i));
    if (i + 16 < length)
      offset = 16;
    else
      offset = length - i;
    for (j = 0; j < offset; j++)
      dprintf("%02x ", sbuf[i + j]);
    for (j = 0; j < 16 - offset; j++)
      dprintf("   ");
    dprintf("    ");
    for (j = 0; j < offset; j++) {
      if (' ' <= sbuf[i + j] && sbuf[i + j] <= '~')
        dprintf("%c", sbuf[i + j]);
      else
        dprintf(".");
    }
    dprintf("\n\r");
    i += 16;
  }
}
```