user: 下面的汇编指令对应的C源代码是什么:

```asm
<create_letter_distribution_diagram>:
  endbr64
  push   %r14
  mov    $0x61,%eax
  mov    %rdi,%r14
  push   %r13
  push   %r12
  lea    0x4(%rsi),%r12
  push   %rbp
  mov    %r12,%rdx
  mov    %rsi,%rbp
  push   %rbx
  xchg   %ax,%ax
L66:
  mov    %eax,-0x4(%rdx)
  add    $0x1,%eax
  add    $0x8,%rdx
  movl   $0x0,-0x8(%rdx)
  cmp    $0x7b,%eax
  jne    L66
  mov    %r14,%rdi
  xor    %r13d,%r13d
  lea    0xd4(%rbp),%rbx
  call   <strlen@plt>
  cmp    %r13d,%eax
  jle    L10
  nopl   (%rax)
L103:
  movsbl (%r14,%r13,1),%ecx
  mov    %r12,%rax
  jmp    L46
  nopw   0x0(%rax,%rax,1)
L54:
  sub    $0x20,%edx
  cmp    %ecx,%edx
  je     L61
  add    $0x8,%rax
  cmp    %rbx,%rax
  je     L59
L46:
  mov    -0x4(%rax),%edx
  cmp    %ecx,%edx
  jne    L54
L61:
  addl   $0x1,(%rax)
  add    $0x8,%rax
  cmp    %rbx,%rax
  jne    L46
L59:
  mov    %r14,%rdi
  add    $0x1,%r13
  call   <strlen@plt>
  cmp    %r13d,%eax
  jg     L103
L10:
  mov    %rbp,%r13
  mov    %r12,%rdx
  nopw   0x0(%rax,%rax,1)
L155:
  mov    %r12,%rax
  jmp    L115
  nopl   (%rax)
L13:
  mov    -0x4(%rdx),%ecx
  mov    -0x4(%rax),%esi
L35:
  mov    %esi,-0x4(%rdx)
  mov    (%rax),%esi
  mov    %ecx,-0x4(%rax)
  mov    (%rdx),%ecx
  mov    %esi,(%rdx)
  mov    %ecx,(%rax)
L17:
  add    $0x8,%rax
  cmp    %rax,%rbx
  je     L121
L115:
  mov    (%rax),%edi
  cmp    %edi,(%rdx)
  jg     L13
  jne    L17
  mov    -0x4(%rdx),%ecx
  mov    -0x4(%rax),%esi
  cmp    %esi,%ecx
  jl     L35
  add    $0x8,%rax
  cmp    %rax,%rbx
  jne    L115
L121:
  add    $0x8,%rdx
  cmp    %rdx,%rbx
  jne    L155
  add    $0xd0,%rbp
  lea    D1(%rip),%rbx
  nopw   0x0(%rax,%rax,1)
L137:
  mov    0x4(%r13),%edx
  mov    0x0(%r13),%esi
  mov    %rbx,%rdi
  add    $0x8,%r13
  call   <printf@plt>
  cmp    %r13,%rbp
  jne    L137
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D1
datatype: string

tool: D1: %c: %d 


assistant: ```c
int create_letter_distribution_diagram(char sentence[50], int letters[26][2]) {
  int counter = 0, lines, ascii = 97, acode, sort;
  for (lines = 0; lines < 26; lines++) {
    letters[lines][0] = ascii + lines;
    letters[lines][1] = 0;
  }
  while (counter < strlen(sentence)) {
    acode = sentence[counter];
    for (lines = 0; lines < 26; lines++) {
      if (acode == letters[lines][0] || acode == letters[lines][0] - 32) {
        letters[lines][1]++;
      }
    }
    counter++;
  }
  for (lines = 0; lines < 26; lines++) {
    for (counter = 0; counter < 26; counter++) {
      if (letters[lines][1] > letters[counter][1]) {
        sort = letters[lines][0];
        letters[lines][0] = letters[counter][0];
        letters[counter][0] = sort;
        sort = letters[lines][1];
        letters[lines][1] = letters[counter][1];
        letters[counter][1] = sort;
      } else if (letters[lines][1] == letters[counter][1]) {
        if (letters[lines][0] < letters[counter][0]) {
          sort = letters[lines][0];
          letters[lines][0] = letters[counter][0];
          letters[counter][0] = sort;
          sort = letters[lines][1];
          letters[lines][1] = letters[counter][1];
          letters[counter][1] = sort;
        }
      }
    }
  }
  for (lines = 0; lines < 26; lines++) {
    printf("%c: %d \n", letters[lines][0], letters[lines][1]);
  }
  return 0;
}
```