user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<test_hex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movabs $0xa380ff83122f04,%rax
  mov    %rax,-0x68(%rbp)
  movabs $0x3338323146323430,%rax
  movabs $0x3030334130384646,%rdx
  mov    %rax,-0x60(%rbp)
  mov    %rdx,-0x58(%rbp)
  movb   $0x0,-0x50(%rbp)
  movabs $0x3338323166323430,%rax
  movabs $0x3030336130386666,%rdx
  mov    %rax,-0x40(%rbp)
  mov    %rdx,-0x38(%rbp)
  movb   $0x0,-0x30(%rbp)
  lea    D117(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x68(%rbp),%rcx
  lea    -0x20(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <libkeccak_behex_lower@plt>
  lea    -0x40(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L48
  lea    D119(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x68(%rbp),%rcx
  lea    -0x20(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <libkeccak_behex_upper@plt>
  lea    -0x60(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L36
  jmp    L80
L48:
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L110
L80:
  lea    D119(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D65(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x60(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <libkeccak_unhex@plt>
  lea    -0x20(%rbp),%rcx
  lea    -0x68(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcmp@plt>
  test   %eax,%eax
  jne    L47
  jmp    L86
L36:
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L110
L86:
  lea    D119(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D126(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x40(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <libkeccak_unhex@plt>
  lea    -0x20(%rbp),%rcx
  lea    -0x68(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcmp@plt>
  test   %eax,%eax
  jne    L104
  jmp    L33
L47:
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L110
L33:
  lea    D119(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L110
L104:
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
L110:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D117
type_infered: string
name: read_data
arguments: label: D119
type_infered: string
name: read_data
arguments: label: D22
type_infered: string
name: read_data
arguments: label: D109
type_infered: string
name: read_data
arguments: label: D65
type_infered: string
name: read_data
arguments: label: D126
type_infered: string
name: read_data
arguments: label: D5
type_infered: string

tool: D117: Testing libkeccak_behex_lower: 

tool: D119: OK


tool: D22: Testing libkeccak_behex_upper: 

tool: D109: Fail


tool: D65: Testing libkeccak_unhex on uppercase: 

tool: D126: Testing libkeccak_unhex on lowercase: 

tool: D5: 


assistant: ```c
int test_hex(void) {
  const unsigned char bindata[] = {0x04, 0x2F, 0x12, 0x83, 0xFF, 0x80, 0xA3, 0x00};
  const char hexdata_upper[] = "042F1283FF80A300";
  const char hexdata_lower[] = "042f1283ff80a300";
  char hextest[2 * 8 + 1];
  printf("Testing libkeccak_behex_lower: ");
  libkeccak_behex_lower(hextest, (const char *)bindata, 8);
  if (!strcmp(hextest, hexdata_lower)) {
    printf("OK\n");
  } else {
    printf("Fail\n");
    return -1;
  }
  printf("Testing libkeccak_behex_upper: ");
  libkeccak_behex_upper(hextest, (const char *)bindata, 8);
  if (!strcmp(hextest, hexdata_upper)) {
    printf("OK\n");
  } else {
    printf("Fail\n");
    return -1;
  }
  printf("Testing libkeccak_unhex on uppercase: ");
  libkeccak_unhex(hextest, hexdata_upper);
  if (!memcmp(bindata, hextest, 8 * sizeof(char))) {
    printf("OK\n");
  } else {
    printf("Fail\n");
    return -1;
  }
  printf("Testing libkeccak_unhex on lowercase: ");
  libkeccak_unhex(hextest, hexdata_lower);
  if (!memcmp(bindata, hextest, 8 * sizeof(char))) {
    printf("OK\n");
  } else {
    printf("Fail\n");
    return -1;
  }
  printf("\n");
  return 0;
}
```