user: Demonstrate the C code that generates the assembly output below:

```asm
<my_str2vect>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x38(%rbp)
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  movl   $0x0,-0x24(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L81
  jmp    L113
L72:
  addl   $0x1,-0x24(%rbp)
L80:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L72
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L72
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L157
  addl   $0x1,-0x2c(%rbp)
  jmp    L157
L163:
  addl   $0x1,-0x24(%rbp)
L157:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L113
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L113
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L163
L113:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L80
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <xmalloc@plt>
  mov    %rax,-0x20(%rbp)
  movl   $0x0,-0x24(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L48
L139:
  addl   $0x1,-0x24(%rbp)
L4:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L139
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L139
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L48
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x28(%rbp)
  jmp    L189
L24:
  addl   $0x1,-0x28(%rbp)
  addl   $0x1,-0x24(%rbp)
L189:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L42
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L42
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L24
L42:
  mov    -0x28(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  lea    (%rcx,%rax,1),%rbx
  mov    %edx,%edi
  call   <xmalloc@plt>
  mov    %rax,(%rbx)
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    -0x28(%rbp),%edx
  mov    -0x18(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <my_strncpy@plt>
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L48:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L4
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
L81:
  mov    -0x20(%rbp),%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char **my_str2vect(char *str) {
  int vectS;
  int strLen;
  int i;
  char **vect = ((void *)0);
  char *substringStart = ((void *)0);
  i = 0;
  if (str) {
    while (str[i]) {
      for (; str[i] == ' ' || str[i] == '\t'; ++i)
        ;
      if (str[i])
        ++vectS;
      for (; str[i] != ' ' && str[i] != '\t' && str[i]; ++i)
        ;
    }
    vect = (char **)xmalloc((vectS * sizeof(char *)) + 1);
    i = 0;
    vectS = 0;
    while (str[i]) {
      for (; str[i] == ' ' || str[i] == '\t'; ++i)
        ;
      if (str[i]) {
        substringStart = &(str[i]);
        for (strLen = 0; str[i] != ' ' && str[i] != '\t' && str[i]; ++i)
          ++strLen;
        vect[vectS] = xmalloc((strLen * sizeof(char)) + 1);
        my_strncpy(vect[vectS], substringStart, strLen);
        vect[vectS][strLen] = '\0';
        ++vectS;
      }
    }
    vect[vectS] = ((void *)0);
  }
  return vect;
}
```