user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  cmp    $0x3,%edi
  jle    L75
L69:
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  je     L35
L37:
  lea    D174(%rip),%rdi
  call   <unsetenv@plt>
  lea    D2(%rip),%rdi
  call   <unsetenv@plt>
  lea    D77(%rip),%rdi
  call   <unsetenv@plt>
  lea    D100(%rip),%rdi
  call   <unsetenv@plt>
  lea    D42(%rip),%rdi
  call   <unsetenv@plt>
  lea    D95(%rip),%rdi
  call   <unsetenv@plt>
  lea    D123(%rip),%rdi
  call   <unsetenv@plt>
  lea    D145(%rip),%rdi
  call   <unsetenv@plt>
  lea    D104(%rip),%rdi
  call   <unsetenv@plt>
  lea    D54(%rip),%rdi
  call   <unsetenv@plt>
  lea    D113(%rip),%rdi
  call   <unsetenv@plt>
  lea    D120(%rip),%rdi
  call   <unsetenv@plt>
  lea    D172(%rip),%rdi
  call   <unsetenv@plt>
  lea    D88(%rip),%rdi
  call   <unsetenv@plt>
  lea    D8(%rip),%rdi
  call   <unsetenv@plt>
  lea    D167(%rip),%rdi
  call   <unsetenv@plt>
  xor    %esi,%esi
  xor    %edi,%edi
  call   <daemon@plt>
  cmp    $0xffffffff,%eax
  je     L44
L58:
  mov    0x10(%rbx),%rdi
  lea    D179(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L68
  xor    %eax,%eax
  call   <getpid@plt>
  mov    %r12,%rdi
  lea    D140(%rip),%rsi
  mov    %eax,%edx
  call   <fprintf@plt>
  mov    %r12,%rdi
  call   <fclose@plt>
  nopl   (%rax)
L68:
  mov    %ebp,%edi
  call   <sleep@plt>
  mov    0x18(%rbx),%rdi
  call   <system@plt>
  jmp    L68
L75:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L69
L35:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L37
L44:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L58
```

tool_calls: name: disassemble_data
arguments: label: D174
type_infered: string
name: disassemble_data
arguments: label: D2
type_infered: string
name: disassemble_data
arguments: label: D77
type_infered: string
name: disassemble_data
arguments: label: D100
type_infered: string
name: disassemble_data
arguments: label: D42
type_infered: string
name: disassemble_data
arguments: label: D95
type_infered: string
name: disassemble_data
arguments: label: D123
type_infered: string
name: disassemble_data
arguments: label: D145
type_infered: string
name: disassemble_data
arguments: label: D104
type_infered: string
name: disassemble_data
arguments: label: D54
type_infered: string
name: disassemble_data
arguments: label: D113
type_infered: string
name: disassemble_data
arguments: label: D120
type_infered: string
name: disassemble_data
arguments: label: D172
type_infered: string
name: disassemble_data
arguments: label: D88
type_infered: string
name: disassemble_data
arguments: label: D8
type_infered: string
name: disassemble_data
arguments: label: D167
type_infered: string
name: disassemble_data
arguments: label: D179
type_infered: string
name: disassemble_data
arguments: label: D140
type_infered: string

tool: D174: CONTENT_TYPE

tool: D2: GATEWAY_INTERFACE

tool: D77: REMOTE_USER

tool: D100: REMOTE_ADDR

tool: D42: AUTH_TYPE

tool: D95: SCRIPT_FILENAME

tool: D123: CONTENT_LENGTH

tool: D145: HTTP_USER_AGENT

tool: D104: HTTP_HOST

tool: D54: SERVER_SOFTWARE

tool: D113: HTTP_REFERER

tool: D120: SERVER_PROTOCOL

tool: D172: REQUEST_METHOD

tool: D88: SERVER_PORT

tool: D8: SCRIPT_NAME

tool: D167: SERVER_NAME

tool: D179: w

tool: D140: %d


assistant: ```c
int main(int argc, char *argv[]) {
  int interval;
  FILE *pidfd;
  if (argc < 4)
    exit(1);
  interval = atoi(argv[1]);
  if (interval == 0)
    exit(1);
  unsetenv("CONTENT_TYPE");
  unsetenv("GATEWAY_INTERFACE");
  unsetenv("REMOTE_USER");
  unsetenv("REMOTE_ADDR");
  unsetenv("AUTH_TYPE");
  unsetenv("SCRIPT_FILENAME");
  unsetenv("CONTENT_LENGTH");
  unsetenv("HTTP_USER_AGENT");
  unsetenv("HTTP_HOST");
  unsetenv("SERVER_SOFTWARE");
  unsetenv("HTTP_REFERER");
  unsetenv("SERVER_PROTOCOL");
  unsetenv("REQUEST_METHOD");
  unsetenv("SERVER_PORT");
  unsetenv("SCRIPT_NAME");
  unsetenv("SERVER_NAME");
  if (daemon(0, 0) == -1)
    exit(1);
  pidfd = fopen(argv[2], "w");
  if (pidfd) {
    fprintf(pidfd, "%d\n", getpid());
    fclose(pidfd);
  }
  while (1) {
    sleep(interval);
    system(argv[3]);
  }
}
```