user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x410,%rsp
  mov    %edi,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  movq   $0x0,0x8(%rsp)
  lea    0x10(%rsp),%rdi
  mov    $0x7e,%ecx
  rep stos %rax,%es:(%rdi)
  mov    $0x1,%ebp
  cmp    $0x2,%edx
  je     L30
L10:
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %rsp,%rbx
  mov    %eax,%edx
  lea    D43(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    $0x4,%esi
  lea    D61(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x4,%esi
  lea    D7(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x8,%esi
  lea    D21(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x8,%esi
  lea    D5(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbx,%rsi
  lea    D66(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebp,%esi
  lea    D62(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebp,%r12d
  shl    $0x14,%r12d
  mov    %r12d,%edx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <write_a_file@plt>
  mov    %ebp,%esi
  lea    D24(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r12d,%edx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <check_a_file@plt>
  mov    %rbx,%rdi
  call   <delete_file@plt>
  mov    $0x0,%eax
  call   <exit_success@plt>
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  mov    $0x0,%eax
  add    $0x410,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L30:
  mov    0x8(%rsi),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  jg     L10
  lea    D16(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%eax
  call   <exit_failure@plt>
  jmp    L10
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D43
datatype: string
name: extract_symbolic_data
arguments: data_tag: D61
datatype: string
name: extract_symbolic_data
arguments: data_tag: D7
datatype: string
name: extract_symbolic_data
arguments: data_tag: D21
datatype: string
name: extract_symbolic_data
arguments: data_tag: D5
datatype: string
name: extract_symbolic_data
arguments: data_tag: D66
datatype: string
name: extract_symbolic_data
arguments: data_tag: D62
datatype: string
name: extract_symbolic_data
arguments: data_tag: D24
datatype: string
name: extract_symbolic_data
arguments: data_tag: D16
datatype: string

tool: D43: ./lfs-test.%u

tool: D61: sizeof int = %u


tool: D7: sizeof off_t = %u


tool: D21: sizeof long = %u


tool: D5: sizeof long long = %u


tool: D66: Creating/Using file: %s


tool: D62: Creating a %d gig file


tool: D24: Verifying the %d gig file


tool: D16: Please supply a natural number of gigs.

assistant: ```c
int main(int argc, char *argv[]) {
  int gigs = 1;
  char file[1024] = {'\0'};
  if (argc == 2) {
    gigs = atoi(argv[1]);
    if (gigs == 0 || gigs < 0) {
      printf("Please supply a natural number of gigs.\n");
      exit_failure();
    }
  }
  sprintf(file, "./lfs-test.%u", (unsigned int)getpid());
  printf("sizeof int = %u\n", (unsigned int)sizeof(int));
  printf("sizeof off_t = %u\n", (unsigned int)sizeof(off_t));
  printf("sizeof long = %u\n", (unsigned int)sizeof(long));
  printf("sizeof long long = %u\n", (unsigned int)sizeof(long long));
  printf("Creating/Using file: %s\n", file);
  printf("Creating a %d gig file\n", gigs);
  write_a_file(file, 1024, (1024 * 1024) * gigs);
  printf("Verifying the %d gig file\n", gigs);
  check_a_file(file, 1024, (1024 * 1024) * gigs);
  delete_file(file);
  exit_success();
  return 0;
}
```