user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<test_jnxstring>:
  endbr64
  push   %r12
  lea    D52(%rip),%r12
  xor    %edi,%edi
  mov    $0x1a,%ecx
  push   %rbp
  lea    D6(%rip),%rbp
  lea    D35(%rip),%r8
  mov    %r12,%rdx
  mov    %rbp,%rsi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <jnx_log@plt>
  lea    D3(%rip),%r8
  xor    %edi,%edi
  xor    %eax,%eax
  mov    $0x1c,%ecx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  call   <jnx_log@plt>
  mov    $0x100,%edi
  call   <malloc@plt>
  mov    %rsp,%rdi
  lea    D73(%rip),%rsi
  movl   $0x6f6f66,(%rax)
  mov    %rax,(%rsp)
  xor    %eax,%eax
  call   <jnx_string_join@plt>
  mov    (%rsp),%rdi
  lea    D29(%rip),%rsi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    $0x21,%ecx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  lea    D16(%rip),%r8
  xor    %edi,%edi
  xor    %eax,%eax
  call   <jnx_log@plt>
  mov    $0xf,%edi
  xor    %eax,%eax
  call   <jnx_string_itos@plt>
  mov    $0x31,%edx
  cltq
  movzbl (%rax),%ecx
  sub    %ecx,%edx
  jne    L12
  movzbl 0x1(%rax),%ecx
  mov    $0x35,%edx
  sub    %ecx,%edx
  je     L16
L12:
  xor    %edi,%edi
  test   %edx,%edx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  lea    D15(%rip),%r8
  mov    $0x27,%ecx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  call   <jnx_log@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L16:
  movzbl 0x2(%rax),%edx
  neg    %edx
  jmp    L12
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D52
datatype: string
name: extract_symbolic_data
arguments: tag: D6
datatype: string
name: extract_symbolic_data
arguments: tag: D35
datatype: string
name: extract_symbolic_data
arguments: tag: D3
datatype: string
name: extract_symbolic_data
arguments: tag: D73
datatype: string
name: extract_symbolic_data
arguments: tag: D29
datatype: string
name: extract_symbolic_data
arguments: tag: D16
datatype: string
name: extract_symbolic_data
arguments: tag: D15
datatype: string

tool: D52: test_jnxstring

tool: D6: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/AlexsJones/jnxlibc/refs/heads/master/test/unit/test_jnxstring.c

tool: D35: Running test for jnxstring


tool: D3: - test_string_join

tool: D73: bar

tool: D29: foobar

tool: D16: OK

tool: D15: String tests completed


assistant: ```c
int test_jnxstring() {
  jnx_log(0, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/AlexsJones/jnxlibc/refs/heads/master/test/unit/test_jnxstring.c", __FUNCTION__, 26, "Running test for jnxstring\n");
  ;
  jnx_log(0, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/AlexsJones/jnxlibc/refs/heads/master/test/unit/test_jnxstring.c", __FUNCTION__, 28, "- test_string_join");
  ;
  char *temp = malloc(256);
  strcpy(temp, "foo");
  jnx_string_join(&temp, "bar");
  assert(strcmp(temp, "foobar") == 0);
  jnx_log(0, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/AlexsJones/jnxlibc/refs/heads/master/test/unit/test_jnxstring.c", __FUNCTION__, 33, "OK");
  ;
  int a = 15;
  char *expected_output = "15";
  char *actual_output = jnx_string_itos(a);
  assert(strcmp(expected_output, actual_output) == 0);
  jnx_log(0, "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/AlexsJones/jnxlibc/refs/heads/master/test/unit/test_jnxstring.c", __FUNCTION__, 39, "String tests completed\n");
  ;
  return 0;
}
```