user: 下面的汇编指令对应的C源代码是什么:

```asm
<toc_uuid>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rdx,%r15
  mov    %rdx,0x18(%rsp)
  mov    %rcx,(%rsp)
  mov    %r8,0x8(%rsp)
  mov    %r9,0x10(%rsp)
  mov    0x70(%rsp),%r14
  mov    0x78(%rsp),%r13
  mov    0x80(%rsp),%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <strlen@plt>
  cmp    $0x4,%eax
  jg     L18
  movl   $0x946,0x0(%rbp)
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <strtol@plt>
  mov    %eax,(%r15)
  mov    (%rsp),%rax
  movl   $0x4c7f,(%rax)
  mov    0x8(%rsp),%rax
  movl   $0x11d1,(%rax)
  mov    0x10(%rsp),%rax
  movl   $0x8222,(%rax)
  movl   $0x4445,(%r14)
  movl   $0x5354,0x0(%r13)
  movl   $0x0,(%r12)
L78:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L39
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L18:
  movb   $0x0,0x27(%rsp)
  lea    0x23(%rsp),%rdi
  mov    $0x4,%edx
  mov    %rbx,%rsi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L152
L117:
  call   <assert@plt>
  lea    0x23(%rsp),%r15
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %r15,%rdi
  call   <strtol@plt>
  mov    %eax,0x0(%rbp)
  lea    0x4(%rbx),%rsi
  mov    $0x4,%edx
  mov    %r15,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L155
L42:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    0x18(%rsp),%rcx
  mov    %eax,(%rcx)
  lea    0x9(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L34
L28:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    (%rsp),%rcx
  mov    %eax,(%rcx)
  lea    0xe(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L98
L53:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    0x8(%rsp),%rcx
  mov    %eax,(%rcx)
  lea    0x13(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L164
L187:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    0x10(%rsp),%rcx
  mov    %eax,(%rcx)
  lea    0x18(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L157
L156:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    %eax,(%r14)
  lea    0x1c(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L188
L170:
  call   <assert@plt>
  lea    0x23(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    %eax,0x0(%r13)
  lea    0x20(%rbx),%rsi
  mov    $0x4,%edx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edi
  cmpb   $0x0,0x27(%rsp)
  je     L160
L12:
  call   <assert@plt>
  lea    0x23(%rsp),%rdi
  mov    $0x10,%edx
  mov    $0x0,%esi
  call   <strtol@plt>
  mov    %eax,(%r12)
  jmp    L78
L152:
  lea    0x23(%rsp),%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L117
L155:
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L42
L34:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L28
L98:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L53
L164:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L187
L157:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L156
L188:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L170
L160:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  jmp    L12
L39:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void toc_uuid(const char *const uuid, int *A1, int *A2, int *B, int *C, int *D, int *E1, int *E2, int *E3) {
  if (strlen(uuid) <= 4) {
    *A1 = 0x0946;
    *A2 = strtol(uuid, NULL, 16);
    *B = 0x4C7F;
    *C = 0x11D1;
    *D = 0x8222;
    *E1 = 0x4445;
    *E2 = 0x5354;
    *E3 = 0x0000;
  } else {
    char buf[5];
    buf[4] = 0;
    strncpy(buf, uuid + 0, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *A1 = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 4, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *A2 = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 9, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *B = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 14, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *C = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 19, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *D = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 24, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *E1 = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 28, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *E2 = strtol(buf, NULL, 16);
    strncpy(buf, uuid + 32, 4);
    assert((buf[4] == 0) && (strlen(buf) == 4));
    *E3 = strtol(buf, NULL, 16);
  }
}
```