user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %r13
  lea    D100(%rip),%rdi
  lea    D51(%rip),%r13
  push   %r12
  lea    D80(%rip),%r12
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <puts@plt>
  lea    D25(%rip),%rsi
  mov    %r13,%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L57
  nopl   (%rax)
L25:
  mov    %ebx,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <fprintf@plt>
  cmp    $0x100,%ebx
  jne    L25
  mov    %rbp,%rdi
  lea    D40(%rip),%rbx
  call   <fclose@plt>
  mov    %r13,%rsi
  lea    D92(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <check_sha256_sum@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L27
  mov    $0x40,%edx
  mov    %rbx,%rsi
  mov    %rax,%rdi
  call   <memcmp@plt>
  test   %rax,%rax
  je     L41
  lea    D16(%rip),%rdi
  call   <puts@plt>
  mov    %rbx,%r8
  mov    %rbp,%rdx
  xor    %eax,%eax
  lea    D42(%rip),%rdi
  lea    D62(%rip),%rcx
  lea    D97(%rip),%rsi
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L38:
  mov    %r13,%rdi
  call   <remove@plt>
  xor    %eax,%eax
L31:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L41:
  lea    D41(%rip),%rdi
  call   <puts@plt>
  jmp    L38
L27:
  lea    D12(%rip),%rdi
  call   <puts@plt>
  jmp    L38
L57:
  lea    D53(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%eax
  jmp    L31
```

tool_calls: name: unpack_data
arguments: tag: D100
type: string
name: unpack_data
arguments: tag: D51
type: string
name: unpack_data
arguments: tag: D80
type: string
name: unpack_data
arguments: tag: D25
type: string
name: unpack_data
arguments: tag: D40
type: string
name: unpack_data
arguments: tag: D92
type: string
name: unpack_data
arguments: tag: D16
type: string
name: unpack_data
arguments: tag: D42
type: string
name: unpack_data
arguments: tag: D62
type: string
name: unpack_data
arguments: tag: D97
type: string
name: unpack_data
arguments: tag: D41
type: string
name: unpack_data
arguments: tag: D12
type: string
name: unpack_data
arguments: tag: D53
type: string

tool: D100: Running test for SHA256:


tool: D51: test_sha256.dat

tool: D80: %c

tool: D25: wb

tool: D40: 40aff2e9d2d8922e47afd4648e6967497158785fbd1da870e7110266bf944880

tool: D92: Checking file %s ... 

tool: D16: FALSE!

tool: D42: %-12s%s
%-12s%s



tool: D62: Assumed:

tool: D97: Calculated:

tool: D41: Memory Error!


tool: D12: CORRECT!


tool: D53: Cannot write test file!

assistant: ```c
int main(void) {
  short i;
  unsigned char *ascii = NULL;
  FILE *fp = NULL;
  char *filename = "test_sha256.dat";
  char *assumed = "40aff2e9d2d8922e47afd4648e6967497158785fbd1da870e7110266bf944880";
  printf("Running test for SHA256:\n\n");
  fp = fopen(filename, "wb");
  if (!fp) {
    printf("Cannot write test file!\n");
    return 1;
  }
  for (i = 0x00; i <= 0xFF; i++) {
    fprintf(fp, "%c", i);
  }
  fclose(fp);
  printf("Checking file %s ... ", filename);
  ascii = check_sha256_sum(filename, (unsigned char *)assumed);
  if (ascii == NULL) {
    printf("CORRECT!\n\n");
  } else {
    if (memcmp(ascii, assumed, 64) == 0) {
      printf("Memory Error!\n\n");
    } else {
      printf("FALSE!\n");
      printf("%-12s%s\n%-12s%s\n\n", "Calculated:", ascii, "Assumed:", assumed);
      free(ascii);
    }
  }
  remove(filename);
  return 0;
}
```