user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<testcase>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    $0x100,%esi
  mov    $0x80,%edi
  call   <memalign@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L63
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L63:
  mov    $0x100,%esi
  mov    $0x80,%edi
  call   <memalign@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L56
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L56:
  mov    $0x1,%edi
  call   <srandom@plt>
  movq   $0x0,-0x38(%rbp)
  jmp    L93
L57:
  movq   $0x0,-0x30(%rbp)
  jmp    L92
L61:
  mov    $0x0,%eax
  call   <random@plt>
  mov    %eax,%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x30(%rbp)
L92:
  cmpq   $0xff,-0x30(%rbp)
  jbe    L61
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x100,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    $0x0,%eax
  call   <random@plt>
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  cltq
  mov    %rax,-0x8(%rbp)
  mov    $0x0,%eax
  call   <random@plt>
  mov    %eax,%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <test_one@plt>
  addq   $0x1,-0x38(%rbp)
L93:
  cmpq   $0x270f,-0x38(%rbp)
  jbe    L57
  mov    $0x1,%edi
  call   <srandom@plt>
  movq   $0x0,-0x38(%rbp)
  jmp    L46
L78:
  movq   $0x0,-0x28(%rbp)
  jmp    L104
L95:
  mov    $0x0,%eax
  call   <random@plt>
  mov    %eax,%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x28(%rbp)
L104:
  cmpq   $0xff,-0x28(%rbp)
  jbe    L95
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x100,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movq   $0x0,-0x28(%rbp)
  jmp    L96
L118:
  mov    $0x0,%eax
  call   <random@plt>
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  cltq
  mov    %rax,-0x10(%rbp)
  mov    $0x0,%eax
  call   <random@plt>
  mov    %eax,%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x28(%rbp)
L96:
  cmpq   $0x1f,-0x28(%rbp)
  jbe    L118
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <test_one@plt>
  addq   $0x1,-0x38(%rbp)
L46:
  cmpq   $0x270f,-0x38(%rbp)
  jbe    L78
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D13
type_infered: string

tool: D13: memalign

assistant: ```c
int testcase(void) {
  char *s1;
  char *s2;
  unsigned long i;
  s1 = memalign(128, 256);
  if (!s1) {
    perror("memalign");
    exit(1);
  }
  s2 = memalign(128, 256);
  if (!s2) {
    perror("memalign");
    exit(1);
  }
  srandom(1);
  for (i = 0; i < 10000; i++) {
    unsigned long j;
    unsigned long change;
    for (j = 0; j < 256; j++) {
      s1[j] = random();
    }
    memcpy(s2, s1, 256);
    change = random() % 256;
    s2[change] = random() & 0xff;
    test_one(s1, s2);
  }
  srandom(1);
  for (i = 0; i < 10000; i++) {
    unsigned long j;
    unsigned long change;
    for (j = 0; j < 256; j++) {
      s1[j] = random();
    }
    memcpy(s2, s1, 256);
    for (j = 0; j < 256 / 8; j++) {
      change = random() % 256;
      s2[change] = random() & 0xff;
    }
    test_one(s1, s2);
  }
  return 0;
}
```