user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<check_log>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xc50,%rsp
  mov    %rdi,-0xc48(%rbp)
  mov    %rsi,-0xc50(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0xc48(%rbp),%rax
  lea    D15(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0xc30(%rbp)
  cmpq   $0x0,-0xc30(%rbp)
  jne    L136
  mov    -0xc48(%rbp),%rax
  mov    %rax,%rsi
  lea    D94(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x2,%eax
  jmp    L142
L136:
  mov    -0xc50(%rbp),%rax
  lea    D15(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0xc28(%rbp)
  cmpq   $0x0,-0xc28(%rbp)
  je     L177
  mov    -0xc28(%rbp),%rdx
  lea    -0x410(%rbp),%rax
  mov    $0x400,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L36
  lea    -0x410(%rbp),%rdx
  lea    -0xc10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L36:
  mov    -0xc28(%rbp),%rdx
  lea    -0x410(%rbp),%rax
  mov    $0x400,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L37
  lea    -0x410(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L37:
  mov    -0xc28(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  jmp    L170
L177:
  lea    -0xc10(%rbp),%rax
  lea    D1(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movq   $0x0,-0xc38(%rbp)
L170:
  lea    -0xc20(%rbp),%rdx
  mov    -0xc48(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  je     L11
  mov    -0xc48(%rbp),%rax
  mov    %rax,%rsi
  lea    D44(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x3,%eax
  jmp    L142
L11:
  lea    -0xc10(%rbp),%rax
  mov    %rax,%rdi
  call   <atol@plt>
  mov    -0xc20(%rbp),%rdx
  cmp    %rdx,%rax
  jne    L127
  lea    -0x810(%rbp),%rax
  mov    %rax,%rdi
  call   <atol@plt>
  mov    -0xc18(%rbp),%rdx
  cmp    %rdx,%rax
  jle    L127
  movq   $0x0,-0xc38(%rbp)
  lea    D47(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    -0xc48(%rbp),%rax
  mov    %rax,%rsi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D114(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L127:
  lea    -0xc10(%rbp),%rax
  mov    %rax,%rdi
  call   <atol@plt>
  mov    -0xc20(%rbp),%rdx
  cmp    %rdx,%rax
  jne    L57
  lea    -0x810(%rbp),%rax
  mov    %rax,%rdi
  call   <atol@plt>
  mov    -0xc18(%rbp),%rdx
  cmp    %rdx,%rax
  jle    L163
L57:
  movq   $0x0,-0xc38(%rbp)
  jmp    L144
L163:
  lea    -0x810(%rbp),%rax
  mov    %rax,%rdi
  call   <atol@plt>
  mov    %rax,-0xc38(%rbp)
L144:
  mov    -0xc38(%rbp),%rcx
  mov    -0xc30(%rbp),%rax
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <fseek@plt>
  jmp    L95
L102:
  lea    -0x410(%rbp),%rax
  mov    %rax,%rsi
  lea    D123(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L95:
  mov    -0xc30(%rbp),%rdx
  lea    -0x410(%rbp),%rax
  mov    $0x400,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L102
  mov    -0xc50(%rbp),%rax
  lea    D71(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0xc28(%rbp)
  cmpq   $0x0,-0xc28(%rbp)
  jne    L186
  mov    -0xc50(%rbp),%rax
  mov    %rax,%rsi
  lea    D45(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0xc30(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0xc28(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    $0x4,%eax
  jmp    L142
L186:
  mov    -0xc50(%rbp),%rax
  mov    $0x180,%esi
  mov    %rax,%rdi
  call   <chmod@plt>
  test   %rax,%rax
  je     L189
  mov    -0xc50(%rbp),%rax
  mov    %rax,%rsi
  lea    D92(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x3,%eax
  jmp    L142
L189:
  mov    -0xc30(%rbp),%rax
  mov    %rax,%rdi
  call   <ftell@plt>
  mov    %rax,-0xc38(%rbp)
  mov    -0xc20(%rbp),%rdx
  mov    -0xc38(%rbp),%rcx
  mov    -0xc28(%rbp),%rax
  lea    D0(%rip),%rsi
  mov    %rax,%rdi
  call   <fprintf@plt>
  mov    -0xc30(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0xc28(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
L142:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D15
type: string
name: read_data
arguments: tag: D94
type: string
name: read_data
arguments: tag: D1
type: string
name: read_data
arguments: tag: D44
type: string
name: read_data
arguments: tag: D47
type: string
name: read_data
arguments: tag: D3
type: string
name: read_data
arguments: tag: D114
type: string
name: read_data
arguments: tag: D123
type: string
name: read_data
arguments: tag: D71
type: string
name: read_data
arguments: tag: D45
type: string
name: read_data
arguments: tag: D92
type: string
name: read_data
arguments: tag: D0
type: string

tool: D15: rb

tool: D94: File %s cannot be read.


tool: D1: 0

tool: D44: Cannot get %s file size.


tool: D47: ***************

tool: D3: *** WARNING ***: Log file %s is smaller than last time checked!


tool: D114: ***************	 This could indicate tampering.

tool: D123: %s

tool: D71: w

tool: D45: File %s cannot be created. Check your permissions.


tool: D92: Cannot set permissions on file %s


tool: D0: %ld
%ld

assistant: ```c
int check_log(char *logname, char *offset_filename) {
  FILE *input, *offset_output;
  struct stat file_stat;
  char inode_buffer[1024], offset_buffer[1024], buffer[1024];
  long offset_position;
  if ((input = fopen(logname, "rb")) == NULL) {
    printf("File %s cannot be read.\n", logname);
    return (2);
  }
  if ((offset_output = fopen(offset_filename, "rb")) != NULL) {
    if ((fgets(buffer, 1024, offset_output)) != NULL)
      strcpy(inode_buffer, buffer);
    if ((fgets(buffer, 1024, offset_output)) != NULL)
      strcpy(offset_buffer, buffer);
    fclose(offset_output);
  } else {
    strcpy(inode_buffer, "0");
    offset_position = 0L;
  }
  if ((stat(logname, &file_stat)) != 0) {
    printf("Cannot get %s file size.\n", logname);
    return (3);
  }
  if (((atol(inode_buffer)) == (file_stat.st_ino)) && (atol(offset_buffer) > (file_stat.st_size))) {
    offset_position = 0L;
    printf("***************\n");
    printf("*** WARNING ***: Log file %s is smaller than last time checked!\n", logname);
    printf("***************	 This could indicate tampering.\n");
  }
  if (((atol(inode_buffer)) != (file_stat.st_ino)) || (atol(offset_buffer) > (file_stat.st_size)))
    offset_position = 0L;
  else
    offset_position = atol(offset_buffer);
  fseek(input, offset_position, 0);
  while ((fgets(buffer, 1024, input)) != NULL)
    printf("%s", buffer);
  if ((offset_output = fopen(offset_filename, "w")) == NULL) {
    printf("File %s cannot be created. Check your permissions.\n", offset_filename);
    fclose(input);
    fclose(offset_output);
    return (4);
  } else {
    if ((chmod(offset_filename, 00600)) != 0) {
      printf("Cannot set permissions on file %s\n", offset_filename);
      return (3);
    } else {
      offset_position = ftell(input);
      fprintf(offset_output, "%ld\n%ld", (long)file_stat.st_ino, offset_position);
    }
  }
  fclose(input);
  fclose(offset_output);
  return (0);
}
```