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

```asm
<tokenize>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r12
  mov    $0x3e8,%edi
  call   <malloc@plt>
  mov    %rax,%r14
  mov    $0x1f40,%edi
  call   <malloc@plt>
  mov    %rax,0x8(%rsp)
  mov    $0x0,%ebx
  mov    $0x0,%r15d
  mov    $0x0,%r13d
  mov    $0x0,%ebp
  jmp    L4
L87:
  lea    0x1(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  lea    (%rax,%rdx,1),%ebp
  and    $0x1,%ebp
  sub    %edx,%ebp
  test   $0x1,%al
  jne    L128
  movslq %r13d,%rax
  movb   $0x0,(%r14,%rax,1)
  test   %r13d,%r13d
  je     L128
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  movslq %r15d,%rax
  mov    0x8(%rsp),%rsi
  mov    %rdi,(%rsi,%rax,8)
  add    $0x1,%r15d
  mov    %r14,%rsi
  call   <strcpy@plt>
  mov    $0x0,%r13d
  jmp    L128
L143:
  movslq %r13d,%rdx
  mov    %al,(%r14,%rdx,1)
  lea    0x1(%r13),%r13d
L128:
  add    $0x1,%rbx
L4:
  mov    %r12,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jle    L130
  movzbl (%r12,%rbx,1),%eax
  cmp    $0x22,%al
  je     L87
  cmp    $0x1,%ebp
  je     L143
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L6
  cmp    $0x20,%al
  jne    L119
L6:
  movslq %r13d,%rax
  movb   $0x0,(%r14,%rax,1)
  test   %r13d,%r13d
  je     L128
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  movslq %r15d,%rax
  mov    0x8(%rsp),%rcx
  mov    %rdi,(%rcx,%rax,8)
  add    $0x1,%r15d
  mov    %r14,%rsi
  call   <strcpy@plt>
  mov    $0x0,%r13d
  jmp    L128
L119:
  movslq %r13d,%rdx
  mov    %al,(%r14,%rdx,1)
  lea    0x1(%r13),%r13d
  jmp    L128
L130:
  cmp    $0x1,%ebp
  je     L135
L60:
  mov    0x8(%rsp),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L135:
  movslq %r13d,%rax
  movb   $0x0,(%r14,%rax,1)
  test   %r13d,%r13d
  je     L60
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  movslq %r15d,%r15
  mov    0x8(%rsp),%rax
  mov    %rdi,(%rax,%r15,8)
  mov    %r14,%rsi
  call   <strcpy@plt>
  jmp    L60
```

assistant: ```c
char **tokenize(char *input) {
  int i;
  int doubleQuotes = 0;
  char *token = (char *)malloc(1000 * sizeof(char));
  int tokenIndex = 0;
  char **tokens;
  tokens = (char **)malloc(1000 * sizeof(char **));
  int tokenNo = 0;
  for (i = 0; i < strlen(input); i++) {
    char readChar = input[i];
    if (readChar == '"') {
      doubleQuotes = (doubleQuotes + 1) % 2;
      if (doubleQuotes == 0) {
        token[tokenIndex] = '\0';
        if (tokenIndex != 0) {
          tokens[tokenNo] = (char *)malloc(sizeof(token));
          strcpy(tokens[tokenNo++], token);
          tokenIndex = 0;
        }
      }
    } else if (doubleQuotes == 1) {
      token[tokenIndex++] = readChar;
    } else if (readChar == ' ' || readChar == '\n' || readChar == '\t') {
      token[tokenIndex] = '\0';
      if (tokenIndex != 0) {
        tokens[tokenNo] = (char *)malloc(sizeof(token));
        strcpy(tokens[tokenNo++], token);
        tokenIndex = 0;
      }
    } else {
      token[tokenIndex++] = readChar;
    }
  }
  if (doubleQuotes == 1) {
    token[tokenIndex] = '\0';
    if (tokenIndex != 0) {
      tokens[tokenNo] = (char *)malloc(sizeof(token));
      strcpy(tokens[tokenNo++], token);
    }
  }
  return tokens;
}
```