user: 这段汇编代码用C语言表示是什么样的：

```asm
<test_setenv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <unsetenv@plt>
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L106
  mov    $0x1f,%edx
  lea    D29(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L106:
  mov    $0x0,%edx
  lea    D138(%rip),%rax
  mov    %rax,%rsi
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <setenv@plt>
  test   %rax,%rax
  je     L228
  mov    $0x21,%edx
  lea    D16(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L228:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,%rdx
  lea    D138(%rip),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L43
  mov    $0x22,%edx
  lea    D274(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L43:
  mov    $0x0,%edx
  lea    D58(%rip),%rax
  mov    %rax,%rsi
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <setenv@plt>
  test   %rax,%rax
  je     L100
  mov    $0x24,%edx
  lea    D244(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L100:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,%rdx
  lea    D138(%rip),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L206
  mov    $0x25,%edx
  lea    D274(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L206:
  mov    $0x1,%edx
  lea    D58(%rip),%rax
  mov    %rax,%rsi
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <setenv@plt>
  test   %rax,%rax
  je     L125
  mov    $0x27,%edx
  lea    D436(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L125:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,%rdx
  lea    D58(%rip),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L221
  mov    $0x28,%edx
  lea    D462(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L221:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <unsetenv@plt>
  test   %rax,%rax
  je     L173
  mov    $0x2a,%edx
  lea    D207(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L173:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L145
  mov    $0x2b,%edx
  lea    D29(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L145:
  mov    $0x1,%edx
  lea    D58(%rip),%rax
  mov    %rax,%rsi
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <setenv@plt>
  test   %rax,%rax
  je     L41
  mov    $0x2d,%edx
  lea    D436(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L41:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,%rdx
  lea    D58(%rip),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L79
  mov    $0x2e,%edx
  lea    D462(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L79:
  mov    $0x0,%eax
  call   <clearenv@plt>
  test   %rax,%rax
  je     L205
  mov    $0x30,%edx
  lea    D386(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L205:
  lea    D151(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L255
  mov    $0x31,%edx
  lea    D29(%rip),%rax
  mov    %rax,%rsi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  jmp    L71
L255:
  mov    $0x1,%eax
L71:
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D151
type: string
name: disassemble_data
arguments: data_label: D29
type: string
name: disassemble_data
arguments: data_label: D11
type: string
name: disassemble_data
arguments: data_label: D138
type: string
name: disassemble_data
arguments: data_label: D16
type: string
name: disassemble_data
arguments: data_label: D274
type: string
name: disassemble_data
arguments: data_label: D58
type: string
name: disassemble_data
arguments: data_label: D244
type: string
name: disassemble_data
arguments: data_label: D436
type: string
name: disassemble_data
arguments: data_label: D462
type: string
name: disassemble_data
arguments: data_label: D207
type: string
name: disassemble_data
arguments: data_label: D386
type: string

tool: D151: X

tool: D29: NULL == getenv("X")

tool: D11: expression '%s' untrue at %d


tool: D138: foo

tool: D16: 0 == setenv("X", "foo", 0)

tool: D274: !strcmp(getenv("X"), "foo")

tool: D58: bar

tool: D244: 0 == setenv("X", "bar", 0)

tool: D436: 0 == setenv("X", "bar", 1)

tool: D462: !strcmp(getenv("X"), "bar")

tool: D207: 0 == unsetenv("X")

tool: D386: 0 == clearenv()

assistant: ```c
int test_setenv(void) {
  unsetenv("X");
  do {
    if (!(NULL == getenv("X"))) {
      printf("expression '%s' untrue at %d\n", "NULL == getenv(\"X\")", 31);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == setenv("X", "foo", 0))) {
      printf("expression '%s' untrue at %d\n", "0 == setenv(\"X\", \"foo\", 0)", 33);
      return 0;
    }
  } while (0);
  do {
    if (!(!strcmp(getenv("X"), "foo"))) {
      printf("expression '%s' untrue at %d\n", "!strcmp(getenv(\"X\"), \"foo\")", 34);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == setenv("X", "bar", 0))) {
      printf("expression '%s' untrue at %d\n", "0 == setenv(\"X\", \"bar\", 0)", 36);
      return 0;
    }
  } while (0);
  do {
    if (!(!strcmp(getenv("X"), "foo"))) {
      printf("expression '%s' untrue at %d\n", "!strcmp(getenv(\"X\"), \"foo\")", 37);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == setenv("X", "bar", 1))) {
      printf("expression '%s' untrue at %d\n", "0 == setenv(\"X\", \"bar\", 1)", 39);
      return 0;
    }
  } while (0);
  do {
    if (!(!strcmp(getenv("X"), "bar"))) {
      printf("expression '%s' untrue at %d\n", "!strcmp(getenv(\"X\"), \"bar\")", 40);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == unsetenv("X"))) {
      printf("expression '%s' untrue at %d\n", "0 == unsetenv(\"X\")", 42);
      return 0;
    }
  } while (0);
  do {
    if (!(NULL == getenv("X"))) {
      printf("expression '%s' untrue at %d\n", "NULL == getenv(\"X\")", 43);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == setenv("X", "bar", 1))) {
      printf("expression '%s' untrue at %d\n", "0 == setenv(\"X\", \"bar\", 1)", 45);
      return 0;
    }
  } while (0);
  do {
    if (!(!strcmp(getenv("X"), "bar"))) {
      printf("expression '%s' untrue at %d\n", "!strcmp(getenv(\"X\"), \"bar\")", 46);
      return 0;
    }
  } while (0);
  do {
    if (!(0 == clearenv())) {
      printf("expression '%s' untrue at %d\n", "0 == clearenv()", 48);
      return 0;
    }
  } while (0);
  do {
    if (!(NULL == getenv("X"))) {
      printf("expression '%s' untrue at %d\n", "NULL == getenv(\"X\")", 49);
      return 0;
    }
  } while (0);
  return 1;
}
```