user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x28(%rbp),%rax
  mov    %eax,%ecx
  mov    D399(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    %eax,-0x24(%rbp)
  lea    -0x28(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <settimeofday@plt>
  mov    $0x0,%esi
  mov    $0xffffffffffffffff,%rdi
  call   <settimeofday@plt>
  lea    -0x28(%rbp),%rax
  mov    $0xffffffffffffffff,%rsi
  mov    %rax,%rdi
  call   <settimeofday@plt>
  mov    D399(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  lea    -0x28(%rbp),%rax
  mov    %eax,%ecx
  mov    D399(%rip),%rax
  mov    (%rax),%eax
  mov    $0xffffffff,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  mov    $0xffffffff,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D187(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D187(%rip),%rax
  mov    (%rax),%ecx
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D187(%rip),%rax
  mov    (%rax),%ecx
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D479(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D479(%rip),%rax
  mov    (%rax),%ecx
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D479(%rip),%rax
  mov    (%rax),%ecx
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D306(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D306(%rip),%rax
  mov    (%rax),%ecx
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D306(%rip),%rax
  mov    (%rax),%ecx
  mov    D314(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  mov    D44(%rip),%rax
  mov    (%rax),%edx
  mov    D458(%rip),%rax
  mov    (%rax),%esi
  mov    D98(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rcx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x2710,-0x20(%rbp)
  mov    D458(%rip),%rax
  mov    (%rax),%esi
  mov    D98(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %rdx,%rcx
  mov    $0x0,%edx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D458(%rip),%rax
  mov    (%rax),%ecx
  mov    D191(%rip),%rax
  mov    (%rax),%eax
  mov    $0xffffffff,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    D187(%rip),%rax
  mov    (%rax),%ecx
  mov    D120(%rip),%rax
  mov    (%rax),%eax
  mov    $0xffffffff,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x2710,-0x20(%rbp)
  mov    D98(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %rdx,%rcx
  mov    $0x0,%edx
  mov    $0xffffffff,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x2710,-0x20(%rbp)
  mov    D458(%rip),%rax
  mov    (%rax),%esi
  mov    D98(%rip),%rax
  mov    (%rax),%eax
  lea    -0x20(%rbp),%rdx
  mov    %rdx,%rcx
  mov    $0xffffffff,%edx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x2710,-0x20(%rbp)
  mov    D458(%rip),%rax
  mov    (%rax),%esi
  mov    D98(%rip),%rax
  mov    (%rax),%eax
  mov    $0xffffffff,%ecx
  mov    $0x0,%edx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <syscall@plt>
  mov    $0xffffffffffffffff,%rdi
  call   <adjtimex@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
int main() {
  int t;
  struct timeval tv;
  struct timespec ts;
  struct timex tx;
  time_t tt;
  t = syscall(SYS_gettimeofday, &tv, NULL);
  settimeofday(&tv, NULL);
  settimeofday((struct timeval *)-1, NULL);
  settimeofday(&tv, (struct timezone *)-1);
  syscall(SYS_gettimeofday, -1, NULL);
  syscall(SYS_gettimeofday, &tv, -1);
  syscall(SYS_clock_gettime, CLOCK_REALTIME, &ts);
  syscall(SYS_clock_settime, CLOCK_REALTIME, &ts);
  syscall(SYS_clock_getres, CLOCK_REALTIME, &ts);
  syscall(SYS_clock_getres, -1, &ts);
  syscall(SYS_clock_getres, CLOCK_REALTIME, -1);
  syscall(SYS_clock_gettime, CLOCK_MONOTONIC, &ts);
  syscall(SYS_clock_settime, CLOCK_MONOTONIC, &ts);
  syscall(SYS_clock_getres, CLOCK_MONOTONIC, &ts);
  syscall(SYS_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &ts);
  syscall(SYS_clock_settime, CLOCK_PROCESS_CPUTIME_ID, &ts);
  syscall(SYS_clock_getres, CLOCK_PROCESS_CPUTIME_ID, &ts);
  syscall(SYS_clock_gettime, CLOCK_THREAD_CPUTIME_ID, &ts);
  syscall(SYS_clock_settime, CLOCK_THREAD_CPUTIME_ID, &ts);
  syscall(SYS_clock_getres, CLOCK_THREAD_CPUTIME_ID, &ts);
  syscall(SYS_clock_gettime, CLOCK_REALTIME, &ts);
  ts.tv_sec++;
  syscall(SYS_clock_nanosleep, CLOCK_REALTIME, TIMER_ABSTIME, &ts);
  ts.tv_sec = 0;
  ts.tv_nsec = 10000;
  syscall(SYS_clock_nanosleep, CLOCK_REALTIME, 0x0, &ts);
  syscall(SYS_clock_gettime, -1, &ts);
  syscall(SYS_clock_gettime, CLOCK_REALTIME, -1);
  syscall(SYS_clock_settime, -1, &ts);
  syscall(SYS_clock_settime, CLOCK_MONOTONIC, -1);
  ts.tv_sec = 0;
  ts.tv_nsec = 10000;
  syscall(SYS_clock_nanosleep, -1, 0x0, &ts);
  ts.tv_sec = 0;
  ts.tv_nsec = 10000;
  syscall(SYS_clock_nanosleep, CLOCK_REALTIME, -1, &ts);
  ts.tv_sec = 0;
  ts.tv_nsec = 10000;
  syscall(SYS_clock_nanosleep, CLOCK_REALTIME, 0x0, -1);
  adjtimex((struct timex *)-1);
  return 0;
}
```