user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  cmp    $0x3,%edi
  je     L1
  cmp    $0x4,%edi
  je     L60
  mov    (%rsi),%rsi
  lea    D57(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    (%rbx),%rsi
  lea    D12(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    (%rbx),%rsi
  lea    D74(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    (%rbx),%rsi
  lea    D73(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L91:
  mov    $0x1,%r12d
L93:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
L60:
  mov    0x18(%rsi),%rdi
  lea    D96(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L91
  mov    0x10(%rbx),%rsi
  mov    0x8(%rbx),%rdi
  call   <fcompare@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  jne    L29
  lea    D2(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L93
L1:
  mov    0x10(%rsi),%rdi
  lea    D111(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L87
  mov    0x10(%rbx),%rdi
  lea    D104(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L105
  mov    0x10(%rbx),%rdi
  lea    D40(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L91
  mov    0x8(%rbx),%rdi
  call   <getFileSize@plt>
  jmp    L80
L87:
  mov    0x8(%rbx),%rdi
  call   <crc32@plt>
L80:
  mov    %rax,%rsi
  lea    D83(%rip),%rdi
  xor    %eax,%eax
  xor    %r12d,%r12d
  call   <printf@plt>
  jmp    L93
L29:
  lea    D64(%rip),%rdi
  xor    %eax,%eax
  xor    %r12d,%r12d
  call   <printf@plt>
  jmp    L93
L105:
  mov    0x8(%rbx),%rdi
  xor    %r12d,%r12d
  call   <crc64@plt>
  lea    D26(%rip),%rdi
  mov    %rax,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L93
```

tool_calls: name: read_data
arguments: label: D57
type: string
name: read_data
arguments: label: D12
type: string
name: read_data
arguments: label: D74
type: string
name: read_data
arguments: label: D73
type: string
name: read_data
arguments: label: D96
type: string
name: read_data
arguments: label: D2
type: string
name: read_data
arguments: label: D111
type: string
name: read_data
arguments: label: D104
type: string
name: read_data
arguments: label: D40
type: string
name: read_data
arguments: label: D83
type: string
name: read_data
arguments: label: D64
type: string
name: read_data
arguments: label: D26
type: string

tool: D57: please use: %s filename -CRC32 


tool: D12: please use: %s filename -CRC64 


tool: D74: please use: %s filename1 filename2 -COMP 


tool: D73: please use: %s filename1 -SIZE 


tool: D96: -COMP

tool: D2: same

tool: D111: -CRC32

tool: D104: -CRC64

tool: D40: -SIZE

tool: D83: %lu

tool: D64: different

tool: D26: %llu

assistant: ```c
int main(int argc, const char *argv[]) {
  if (argc == 3) {
    if (strcmp(argv[2], "-CRC32") == 0) {
      unsigned long crcres = crc32(argv[1]);
      printf("%lu", crcres);
      return 0;
    } else if (strcmp(argv[2], "-CRC64") == 0) {
      uint64_t crcres = crc64(argv[1]);
      printf("%llu", crcres);
      return 0;
    } else if (strcmp(argv[2], "-SIZE") == 0) {
      unsigned long fsize = getFileSize(argv[1]);
      printf("%lu", fsize);
      return 0;
    } else {
      return 1;
    }
  } else if (argc == 4) {
    if (strcmp(argv[3], "-COMP") == 0) {
      int ret = fcompare(argv[1], argv[2]);
      if (ret == 0)
        printf("same");
      else
        printf("different");
    } else {
      return 1;
    }
  } else {
    printf("please use: %s filename -CRC32 \n", argv[0]);
    printf("please use: %s filename -CRC64 \n", argv[0]);
    printf("please use: %s filename1 filename2 -COMP \n", argv[0]);
    printf("please use: %s filename1 -SIZE \n", argv[0]);
    return 1;
  }
  return 0;
}
```