user: Please show me the C implementation that matches the assembly code listed below:

```asm
<myAtoi0>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  movl   $0xa,-0x14(%rbp)
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L166
L76:
  addl   $0x1,-0xc(%rbp)
L166:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L23
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  jne    L76
L23:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L62
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L155
  movl   $0x1,-0x10(%rbp)
  movl   $0x8,-0x14(%rbp)
L155:
  cmpl   $0x1,-0xc(%rbp)
  jle    L152
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  je     L61
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  jne    L152
L61:
  movl   $0x2,-0x10(%rbp)
  movl   $0x10,-0x14(%rbp)
  jmp    L152
L62:
  mov    $0x0,%eax
  jmp    L100
L152:
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L160
L95:
  cmpl   $0x10,-0x14(%rbp)
  jne    L91
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L57
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalpha@plt>
  test   %rax,%rax
  je     L4
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  movsbl %al,%eax
  sub    $0x57,%eax
  jmp    L106
L4:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
L106:
  mov    %eax,-0x4(%rbp)
  jmp    L129
L91:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  mov    %eax,-0x4(%rbp)
L129:
  mov    -0x14(%rbp),%eax
  imul   -0x8(%rbp),%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x8(%rbp)
  addl   $0x1,-0x10(%rbp)
L160:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L95
  jmp    L150
L57:
  nop
L150:
  mov    -0x8(%rbp),%eax
L100:
  leave
  ret
```

assistant: ```c
int myAtoi0(char *s) {
  int unit = 10;
  int index = 0;
  int size = 0;
  while (*(s + size) != '\0' && isxdigit(*(s + size)))
    size++;
  if (isdigit(*(s))) {
    if (*s - '0' == 0) {
      index = 1;
      unit = 8;
    }
    if (size > 1 && (*(s + 1) == 'x' || *(s + 1) == 'x')) {
      index = 2;
      unit = 16;
    }
  } else {
    return 0;
  }
  int sum = 0;
  int cell = 0;
  for (; index < size; index++) {
    if (unit == 16) {
      if (isxdigit(*(s + index)))
        cell = (isalpha(*(s + index)) ? tolower(*(s + index)) - 'a' + 10 : *(s + index) - '0');
      else
        break;
    } else
      cell = *(s + index) - '0';
    sum = unit * sum + cell;
  }
  return sum;
}
```