user: What is the c source code of the assembly code below?

```asm
<create_URL_buffer>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  movl   $0x0,-0x40(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x48(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x18(%rbp),%rax
  lea    D4(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtok@plt>
  mov    %rax,-0x30(%rbp)
  jmp    L24
L7:
  mov    -0x50(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x50(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  cmp    -0x40(%rbp),%eax
  jbe    L6
  mov    -0x34(%rbp),%eax
  mov    %eax,-0x40(%rbp)
L6:
  lea    D4(%rip),%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <strtok@plt>
  mov    %rax,-0x30(%rbp)
L24:
  cmpq   $0x0,-0x30(%rbp)
  jne    L7
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x50(%rbp),%rax
  mov    (%rax),%eax
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  movl   $0x0,-0x3c(%rbp)
  jmp    L31
L35:
  mov    -0x40(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    -0x3c(%rbp),%edx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x10(%rbp),%rdx
  add    %rcx,%rdx
  mov    %rax,(%rdx)
  addl   $0x1,-0x3c(%rbp)
L31:
  mov    -0x50(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x3c(%rbp)
  jb     L35
  mov    -0x20(%rbp),%rax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x48(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x8(%rbp),%rax
  lea    D4(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtok@plt>
  mov    %rax,-0x28(%rbp)
  movl   $0x0,-0x38(%rbp)
  jmp    L57
L60:
  mov    -0x38(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x38(%rbp)
  mov    %eax,%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    -0x28(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    D4(%rip),%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <strtok@plt>
  mov    %rax,-0x28(%rbp)
L57:
  cmpq   $0x0,-0x28(%rbp)
  jne    L60
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D4
type_guessed: string

tool: D4:  


assistant: ```c
char **create_URL_buffer(const char *buf, unsigned *elements) {
  unsigned max_len = 0;
  long buf_len = strlen(buf);
  char *tmp = (char *)malloc(sizeof(char) * buf_len + 1);
  strcpy(tmp, buf);
  char *tok = strtok(tmp, " \n");
  while (tok != NULL) {
    (*elements)++;
    unsigned current_len = strlen(tok);
    if (current_len > max_len)
      max_len = current_len;
    tok = strtok(NULL, " \n");
  }
  free(tmp);
  unsigned i;
  char **url_buffer = (char **)malloc(sizeof(char *) * *elements);
  for (i = 0; i < *elements; i++)
    url_buffer[i] = (char *)malloc(sizeof(char) * max_len + 1);
  char *tmp2 = (char *)malloc(sizeof(char) * buf_len + 1);
  strcpy(tmp2, buf);
  char *tok2 = strtok(tmp2, " \n");
  unsigned j = 0;
  while (tok2 != NULL) {
    strcpy(url_buffer[j++], tok2);
    tok2 = strtok(NULL, " \n");
  }
  free(tmp2);
  return url_buffer;
}
```