user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<krocetc_make_namedlabel>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  add    $0x5,%eax
  mov    %eax,%edi
  call   <smalloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    $0x2,%edx
  lea    D6(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L34
  mov    -0x28(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movl   $0x2,-0x18(%rbp)
  jmp    L59
L34:
  mov    -0x28(%rbp),%rax
  mov    $0x4,%edx
  lea    D17(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L88
  mov    -0x28(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movl   $0x4,-0x18(%rbp)
  jmp    L59
L88:
  mov    -0x28(%rbp),%rax
  mov    $0x2,%edx
  lea    D48(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L100
  mov    -0x28(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movl   $0x2,-0x18(%rbp)
  jmp    L59
L100:
  mov    -0x28(%rbp),%rax
  mov    $0x3,%edx
  lea    D49(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L47
  mov    -0x28(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movl   $0x3,-0x18(%rbp)
  jmp    L59
L47:
  mov    -0x8(%rbp),%rax
  lea    D2(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x14(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x8(%rbp),%rax
  lea    0x2(%rax),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  movl   $0x2,-0x18(%rbp)
L59:
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L26
L31:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x2e,%eax
  jne    L108
  mov    -0x10(%rbp),%rax
  movb   $0x5f,(%rax)
  nop
L108:
  addq   $0x1,-0x10(%rbp)
L26:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L31
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D6
type_infered: string
name: retrieve_data
arguments: tag: D17
type_infered: string
name: retrieve_data
arguments: tag: D48
type_infered: string
name: retrieve_data
arguments: tag: D49
type_infered: string
name: retrieve_data
arguments: tag: D2
type_infered: string

tool: D6: C.

tool: D17: CIF.

tool: D48: B.

tool: D49: BX.

tool: D2: O_

assistant: ```c
char *krocetc_make_namedlabel(const char *lbl) {
  int lbl_len = strlen(lbl);
  char *belbl = (char *)smalloc(lbl_len + 5);
  char *ch;
  int offs = 0;
  if (!strncmp(lbl, "C.", 2)) {
    strcpy(belbl, lbl);
    offs = 2;
  } else if (!strncmp(lbl, "CIF.", 4)) {
    strcpy(belbl, lbl);
    offs = 4;
  } else if (!strncmp(lbl, "B.", 2)) {
    strcpy(belbl, lbl);
    offs = 2;
  } else if (!strncmp(lbl, "BX.", 3)) {
    strcpy(belbl, lbl);
    offs = 3;
  } else {
    strcpy(belbl, "O_");
    memcpy(belbl + 2, lbl, lbl_len + 1);
    offs = 2;
  }
  for (ch = belbl + offs; *ch != '\0'; ch++) {
    switch (*ch) {
    case '.':
      *ch = '_';
      break;
    }
  }
  return belbl;
}
```