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   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa8,%rsp
  mov    %rdi,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  lea    0x68(%rsp),%rbx
  mov    %r12,%rax
L45:
  movl   $0x0,(%rax)
  add    $0x4,%rax
  cmp    %rbx,%rax
  jne    L45
  lea    0x70(%rsp),%rbp
  lea    0x8a(%rsp),%rsi
  mov    %rbp,%rax
  mov    $0x61,%ecx
  sub    %ebp,%ecx
L106:
  lea    (%rcx,%rax,1),%edx
  mov    %dl,(%rax)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L106
  mov    %r13,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L115
  mov    %r13,%rdx
  lea    -0x1(%rax),%eax
  lea    0x1(%r13,%rax,1),%rsi
  jmp    L57
L12:
  lea    -0x41(%rax),%ecx
  cmp    $0x19,%cl
  ja     L18
  movsbl %al,%eax
  sub    $0x41,%eax
  cltq
  addl   $0x1,(%rsp,%rax,4)
L18:
  add    $0x1,%rdx
  cmp    %rsi,%rdx
  je     L115
L57:
  movzbl (%rdx),%eax
  lea    -0x61(%rax),%ecx
  cmp    $0x19,%cl
  ja     L12
  movsbl %al,%eax
  sub    $0x61,%eax
  cltq
  addl   $0x1,(%rsp,%rax,4)
  jmp    L18
L115:
  mov    %rbp,%r8
  mov    %r12,%rdi
  mov    $0x1,%esi
  jmp    L53
L85:
  add    $0x4,%rax
  add    $0x1,%rdx
  cmp    %rbx,%rax
  je     L169
L11:
  mov    (%rax),%ecx
  mov    0x4(%rax),%esi
  cmp    %esi,%ecx
  jne    L85
  movzbl (%rdx),%r8d
  movzbl 0x1(%rdx),%r9d
  cmp    %r9b,%r8b
  jle    L85
  mov    %esi,(%rax)
  mov    %ecx,0x4(%rax)
  mov    %r9b,(%rdx)
  mov    %r8b,0x1(%rdx)
  jmp    L85
L169:
  sub    $0x1,%r10d
  je     L179
L100:
  mov    %rbp,%rdx
  mov    %r12,%rax
  jmp    L11
L36:
  mov    $0x1a,%r10d
  jmp    L100
L179:
  mov    $0x0,%ebx
  lea    D5(%rip),%rbp
L194:
  mov    (%rsp,%rbx,4),%edx
  movsbl 0x70(%rsp,%rbx,1),%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    $0x1a,%rbx
  jne    L194
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L149
  mov    $0x0,%eax
  add    $0xa8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L0:
  mov    (%rdi),%eax
  movslq %edx,%rdx
  mov    (%rsp,%rdx,4),%ecx
  mov    %ecx,(%rdi)
  mov    %eax,(%rsp,%rdx,4)
  movzbl (%r8),%eax
  movzbl 0x70(%rsp,%rdx,1),%ecx
  mov    %cl,(%r8)
  mov    %al,0x70(%rsp,%rdx,1)
  add    $0x1,%rsi
  add    $0x4,%rdi
  add    $0x1,%r8
L53:
  lea    -0x1(%rsi),%edx
  cmp    $0x19,%esi
  jg     L36
  mov    %rsi,%rax
L117:
  movslq %edx,%rcx
  mov    (%rsp,%rcx,4),%ecx
  cmp    %ecx,(%rsp,%rax,4)
  cmovg  %eax,%edx
  add    $0x1,%rax
  cmp    $0x19,%eax
  jle    L117
  jmp    L0
L149:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D5
datatype: string

tool: D5: %c: %d


assistant: ```c
int create_letter_distribution_diagram(char *string) {
  int counter, num[26], length, position, max, help;
  char letters[26], helpchar;
  for (counter = 0; counter < 26; counter++)
    num[counter] = 0;
  for (counter = 0; counter < 26; counter++)
    letters[counter] = counter + 'a';
  length = strlen(string);
  for (counter = 0; counter < length; counter++) {
    if (string[counter] >= 'a' && string[counter] <= 'z')
      num[string[counter] - 'a']++;
    if (string[counter] >= 'A' && string[counter] <= 'Z')
      num[string[counter] - 'A']++;
  }
  for (position = 0; position < 26; position++) {
    max = position;
    for (counter = position + 1; counter < 26; counter++) {
      if (num[counter] > num[max])
        max = counter;
    }
    help = num[position];
    num[position] = num[max];
    num[max] = help;
    helpchar = letters[position];
    letters[position] = letters[max];
    letters[max] = helpchar;
  }
  for (counter = 0; counter < 26; counter++) {
    for (position = 0; position < 26; position++) {
      if (position < 26) {
        if (num[position] == num[position + 1]) {
          if (letters[position] > letters[position + 1]) {
            help = num[position];
            num[position] = num[position + 1];
            num[position + 1] = help;
            helpchar = letters[position];
            letters[position] = letters[position + 1];
            letters[position + 1] = helpchar;
          }
        }
      }
    }
  }
  for (position = 0; position < 26; position++)
    printf("%c: %d\n", letters[position], num[position]);
  return 0;
}
```