user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<morse_encode>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbp
  mov    %rsi,0x10(%rsp)
  mov    %edx,%ebx
  mov    %ecx,0x1c(%rsp)
  lea    0x1(%rdx),%r12d
  mov    %r12d,%edi
  call   <malloc@plt>
  mov    %rax,%r14
  lea    0x1(%rbx,%rbx,2),%eax
  mov    %eax,0x8(%rsp)
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,%r15
  mov    %r12d,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  mov    0x8(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %rax,0x28(%rsp)
  lea    0x0(,%rbx,8),%edi
  sub    %ebx,%edi
  add    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,0x20(%rsp)
  movb   $0x0,0x0(%rbp)
  movb   $0x0,(%r14)
  movb   $0x0,(%r15)
  movb   $0x0,0x0(%r13)
  movb   $0x0,(%r12)
  movb   $0x0,(%rax)
  test   %ebx,%ebx
  jle    L42
  mov    $0x0,%r12d
L8:
  lea    D34(%rip),%rsi
  mov    %r14,%rdi
  call   <strcat@plt>
  add    $0x1,%r12d
  cmp    %r12d,%ebx
  jne    L8
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  test   %ebx,%ebx
  jle    L48
  mov    $0x0,%r12d
L78:
  lea    D33(%rip),%rsi
  mov    %r13,%rdi
  call   <strcat@plt>
  add    $0x1,%r12d
  cmp    %r12d,%ebx
  jne    L78
L48:
  mov    %r13,%rsi
  mov    0x28(%rsp),%rbx
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0x7,%ebx
L56:
  mov    %r13,%rsi
  mov    0x20(%rsp),%rdi
  call   <strcat@plt>
  sub    $0x1,%ebx
  jne    L56
  cmpl   $0x0,0x1c(%rsp)
  jle    L25
  mov    $0x0,%ebx
  lea    D33(%rip),%r12
L88:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  add    $0x1,%ebx
  cmp    %ebx,0x1c(%rsp)
  jne    L88
L25:
  movq   $0x0,0x8(%rsp)
  jmp    L125
L45:
  mov    0x20(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
L86:
  addq   $0x1,0x8(%rsp)
L125:
  mov    0x10(%rsp),%rdi
  call   <strlen@plt>
  cltq
  cmp    0x8(%rsp),%rax
  jbe    L24
  mov    0x10(%rsp),%rax
  mov    0x8(%rsp),%rcx
  movzbl (%rax,%rcx,1),%edi
  cmp    $0x20,%dil
  je     L45
  movsbl %dil,%edi
  call   <morse_str@plt>
  mov    %rax,%r12
  mov    $0x0,%ebx
  jmp    L21
L109:
  movsbl (%r12,%rbx,1),%esi
  mov    %r15,%rcx
  mov    %r14,%rdx
  mov    %rbp,%rdi
  call   <morse_put@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  add    $0x1,%rbx
L21:
  mov    %r12,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  cltq
  cmp    %rbx,%rax
  ja     L109
  movsbl (%r12,%rbx,1),%esi
  mov    %r15,%rcx
  mov    %r14,%rdx
  mov    %rbp,%rdi
  call   <morse_put@plt>
  mov    0x10(%rsp),%rax
  mov    0x8(%rsp),%rcx
  testb  $0xdf,0x1(%rax,%rcx,1)
  je     L86
  mov    0x28(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L86
L24:
  cmpl   $0x0,0x1c(%rsp)
  jle    L1
  mov    $0x0,%ebx
  lea    D33(%rip),%r12
L97:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  add    $0x1,%ebx
  cmp    %ebx,0x1c(%rsp)
  jne    L97
L1:
  mov    %r14,%rdi
  call   <free@plt>
  mov    %r15,%rdi
  call   <free@plt>
  mov    %r13,%rdi
  call   <free@plt>
  mov    0x28(%rsp),%rdi
  call   <free@plt>
  mov    0x20(%rsp),%rdi
  call   <free@plt>
  mov    %rbp,%rax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L42:
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <strcat@plt>
  jmp    L48
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D34
datatype: string
name: extract_symbolic_data
arguments: data_label: D33
datatype: string

tool: D34: 1

tool: D33: 0

assistant: ```c
char *morse_encode(char *_signal, const char *message, int unit_len, int pad_len) {
  char *signal = _signal;
  char *dot, *tier, *dt_separ, *sym_separ, *word_separ;
  dot = malloc(unit_len + 1);
  tier = malloc(unit_len * 3 + 1);
  dt_separ = malloc(unit_len + 1);
  sym_separ = malloc(unit_len * 3 + 1);
  word_separ = malloc(unit_len * 7 + 1);
  signal[0] = '\0';
  dot[0] = '\0';
  tier[0] = '\0';
  dt_separ[0] = '\0';
  sym_separ[0] = '\0';
  word_separ[0] = '\0';
  for (int i = 0; i < unit_len; i++)
    strcat(dot, "1");
  for (int i = 0; i < 3; i++)
    strcat(tier, dot);
  for (int i = 0; i < unit_len; i++)
    strcat(dt_separ, "0");
  for (int i = 0; i < 3; i++)
    strcat(sym_separ, dt_separ);
  for (int i = 0; i < 7; i++)
    strcat(word_separ, dt_separ);
  for (int i = 0; i < pad_len; i++)
    strcat(signal, "0");
  for (size_t i = 0; i < strlen(message); i++) {
    if (message[i] == ' ') {
      strcat(signal, word_separ);
      continue;
    }
    const char *mr = morse_str(message[i]);
    size_t j;
    for (j = 0; j < strlen(mr) - 1; j++) {
      morse_put(signal, mr[j], dot, tier);
      strcat(signal, dt_separ);
    }
    morse_put(signal, mr[j], dot, tier);
    if (message[i + 1] != ' ' && message[i + 1] != '\0')
      strcat(signal, sym_separ);
  }
  for (int i = 0; i < pad_len; i++)
    strcat(signal, "0");
  free(dot);
  free(tier);
  free(dt_separ);
  free(sym_separ);
  free(word_separ);
  return signal;
}
```