user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r15
  lea    D40(%rip),%rsi
  lea    D43(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L5
L65:
  lea    D12(%rip),%rsi
  lea    D15(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L37
L68:
  mov    %rsp,%r12
  mov    %r14,%rdx
  mov    $0x64,%esi
  xor    %r13d,%r13d
  mov    %r12,%rdi
  lea    D66(%rip),%rbx
  call   <fgets@plt>
  mov    %r12,%rdi
  mov    %rbx,%rsi
  call   <strtok@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L35
  lea    D89(%rip),%r15
  nopw   0x0(%rax,%rax,1)
L2:
  mov    %r12,%rdi
  add    $0x1,%r13d
  call   <puts@plt>
  mov    %r12,%rdi
  call   <harf_sayisi@plt>
  mov    %r12,%rcx
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %eax,%r8d
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  mov    %rbx,%rsi
  xor    %edi,%edi
  call   <strtok@plt>
  mov    %rax,%r12
  test   %rax,%rax
  jne    L2
L35:
  mov    %r13d,%edx
  lea    D49(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  mov    $0xa,%edi
  mov    $0x20,%ebx
  call   <putchar@plt>
  nop
L58:
  mov    $0x2d,%edi
  call   <putchar@plt>
  sub    $0x1,%ebx
  jne    L58
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x78,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L5:
  lea    D33(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L65
L37:
  lea    D6(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L68
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D40
data_type: string
name: read_data
arguments: data_label: D43
data_type: string
name: read_data
arguments: data_label: D12
data_type: string
name: read_data
arguments: data_label: D15
data_type: string
name: read_data
arguments: data_label: D66
data_type: string
name: read_data
arguments: data_label: D89
data_type: string
name: read_data
arguments: data_label: D49
data_type: string
name: read_data
arguments: data_label: D33
data_type: string
name: read_data
arguments: data_label: D6
data_type: string

tool: D40: r

tool: D43: D:\SINAV\quiz81\ornek.txt

tool: D12: w

tool: D15: D:\SINAV\quiz81\sonuc.txt

tool: D66:  

tool: D89: %s
%s kelimesindeki harf sayisi=%d



tool: D49: cumledeki toplam kelime sayisi=%d


tool: D33: ornek.txt dosya acilamadi!

tool: D6: sonuc.txt dosya acilamadi!

assistant: ```c
int main() {
  FILE *dosya_ornek;
  if ((dosya_ornek = fopen("D:\\SINAV\\quiz81\\ornek.txt", "r")) == NULL) {
    printf("ornek.txt dosya acilamadi!\n");
    exit(1);
  }
  FILE *dosya_sonuc;
  if ((dosya_sonuc = fopen("D:\\SINAV\\quiz81\\sonuc.txt", "w")) == NULL) {
    printf("sonuc.txt dosya acilamadi!\n");
    exit(1);
  }
  char buf[100];
  int sayi = 0;
  int kelime_sayisi = 0;
  fgets(buf, 100, dosya_ornek);
  const char *ayrac = " ";
  char *kelime = strtok(buf, ayrac);
  while (kelime != NULL) {
    printf("%s\n", kelime);
    sayi = harf_sayisi(kelime);
    kelime_sayisi++;
    fprintf(dosya_sonuc, "%s\n%s kelimesindeki harf sayisi=%d\n\n", kelime, kelime, sayi);
    kelime = strtok(NULL, ayrac);
  }
  fprintf(dosya_sonuc, "cumledeki toplam kelime sayisi=%d\n", kelime_sayisi);
  int i;
  printf("\n");
  for (i = 0; i < 32; i++) {
    printf("-");
  }
  fclose(dosya_ornek);
  fclose(dosya_sonuc);
  return 0;
}
```