user: 请从给定的汇编指令推导出C源代码：

```asm
<zskip_block>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x20(%rbp)
  jmp    L159
L132:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xbe,%al
  jne    L170
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2,%al
  je     L200
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3,%al
  jne    L32
L200:
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,-0x20(%rbp)
  jmp    L159
L32:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x4,%al
  jne    L159
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_expr@plt>
  jmp    L159
L170:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xde,%al
  jne    L49
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  jmp    L219
L190:
  mov    -0x20(%rbp),%rbx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  add    %rbx,%rax
  mov    %rax,-0x20(%rbp)
L219:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L190
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  jmp    L159
L49:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xb0,%al
  jne    L20
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x1,%al
  jne    L37
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_expr@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_block>
  jmp    L37
L85:
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_expr@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_block>
L37:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xb0,%al
  jne    L127
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2,%al
  je     L85
L127:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xb0,%al
  jne    L12
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x3,%al
  jne    L12
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_block>
  jmp    L159
L12:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x4,%al
  jne    L124
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_expr@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_block>
  jmp    L159
L124:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5,%al
  jne    L159
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rbx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  add    %rbx,%rax
  mov    %rax,-0x20(%rbp)
  jmp    L69
L67:
  mov    -0x20(%rbp),%rbx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  add    %rbx,%rax
  mov    %rax,-0x20(%rbp)
L69:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L67
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_block>
  jmp    L159
L20:
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_expr@plt>
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <zskip_assign@plt>
L159:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xbe,%al
  jne    L132
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x1,%al
  jne    L132
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  nop
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void zskip_block(char **entry) {
  char *cursor = *entry;
  while (*cursor != (char)0xBE || *(cursor + 1) != (char)0x01) {
    if (*cursor == (char)0xBE) {
      cursor++;
      if (*cursor == (char)0x02 || *cursor == (char)0x03)
        cursor += 2;
      else if (*cursor == (char)0x04) {
        cursor++;
        zskip_expr(&cursor);
      }
    } else if (*cursor == (char)0xDE) {
      cursor++;
      while (*cursor != '\0')
        cursor += strlen(cursor) + 1;
      cursor++;
    } else if (*cursor == (char)0xB0) {
      cursor++;
      if (*cursor == (char)0x01) {
        cursor++;
        zskip_expr(&cursor);
        zskip_block(&cursor);
      }
      while (*cursor == (char)0xB0 && *(cursor + 1) == (char)0x02) {
        cursor += 2;
        zskip_expr(&cursor);
        zskip_block(&cursor);
      }
      if (*cursor == (char)0xB0 && *(cursor + 1) == (char)0x03) {
        cursor += 2;
        zskip_block(&cursor);
      } else if (*cursor == (char)0x04) {
        cursor++;
        zskip_expr(&cursor);
        zskip_block(&cursor);
      } else if (*cursor == (char)0x05) {
        cursor++;
        cursor += strlen(cursor) + 1;
        while (*cursor != '\0')
          cursor += strlen(cursor) + 1;
        cursor++;
        zskip_block(&cursor);
      }
    } else {
      zskip_expr(&cursor);
      zskip_assign(&cursor);
    }
  }
  cursor += 2;
  *entry = cursor;
}
```