user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<expqa>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x168,%rsp
  mov    %rdi,-0x148(%rbp)
  mov    %rsi,-0x150(%rbp)
  mov    %rdx,-0x158(%rbp)
  mov    %rcx,-0x160(%rbp)
  mov    %r8d,-0x164(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    -0x160(%rbp),%rax
  movl   $0x0,(%rax)
  movl   $0x20,-0x130(%rbp)
  cmpl   $0x20,-0x164(%rbp)
  je     L20
  mov    -0x164(%rbp),%eax
  mov    %eax,-0x130(%rbp)
L20:
  movl   $0x4,-0x12c(%rbp)
  mov    -0x150(%rbp),%rax
  mov    (%rax),%eax
  imul   -0x12c(%rbp),%eax
  add    $0x1,%eax
  cltq
  shl    $0x3,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x128(%rbp)
  cmpq   $0x0,-0x128(%rbp)
  jne    L62
  mov    -0x160(%rbp),%rax
  movl   $0x3e8,(%rax)
  jmp    L142
L62:
  movl   $0x0,-0x134(%rbp)
  movl   $0x0,-0x13c(%rbp)
  jmp    L15
L73:
  movl   $0x0,-0x138(%rbp)
  jmp    L21
L41:
  mov    -0x130(%rbp),%eax
  add    $0x1,%eax
  cltq
  mov    -0x134(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x128(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  mov    -0x134(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x128(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L25
  mov    -0x128(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x160(%rbp),%rax
  movl   $0x3e8,(%rax)
  mov    -0x148(%rbp),%rax
  mov    (%rax),%ecx
  mov    -0x13c(%rbp),%edx
  lea    -0x120(%rbp),%rax
  lea    D2(%rip),%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  lea    -0x120(%rbp),%rax
  mov    $0x3e8,%edx
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ex_err@plt>
  jmp    L142
L25:
  mov    -0x134(%rbp),%eax
  imul   -0x164(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x158(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x134(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x128(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    -0x130(%rbp),%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ex_fstrncpy@plt>
  addl   $0x1,-0x134(%rbp)
  addl   $0x1,-0x138(%rbp)
L21:
  mov    -0x138(%rbp),%eax
  cmp    -0x12c(%rbp),%eax
  jl     L41
  addl   $0x1,-0x13c(%rbp)
L15:
  mov    -0x150(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x13c(%rbp)
  jl     L73
  mov    -0x134(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x128(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    -0x150(%rbp),%rax
  mov    (%rax),%ecx
  mov    -0x148(%rbp),%rax
  mov    (%rax),%eax
  mov    -0x128(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <ex_put_qa@plt>
  cmp    $0xffffffff,%eax
  jne    L60
  mov    -0x160(%rbp),%rax
  movl   $0xffffffff,(%rax)
L60:
  movl   $0x0,-0x134(%rbp)
  movl   $0x0,-0x13c(%rbp)
  jmp    L90
L88:
  movl   $0x0,-0x138(%rbp)
  jmp    L54
L13:
  mov    -0x134(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x128(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  addl   $0x1,-0x134(%rbp)
  addl   $0x1,-0x138(%rbp)
L54:
  mov    -0x138(%rbp),%eax
  cmp    -0x12c(%rbp),%eax
  jl     L13
  addl   $0x1,-0x13c(%rbp)
L90:
  mov    -0x150(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x13c(%rbp)
  jl     L88
  mov    -0x128(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L142:
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L33
  call   <__stack_chk_fail@plt>
L33:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D2
type_guessed: string
name: read_data
arguments: data_label: D4
type_guessed: string

tool: D2: Error: failed to allocate space for qa record %d for file id %d

tool: D4: expqa

assistant: ```c
void expqa(int *idexo, int *num_qa_records, char *qa_record, int *ierr, int qa_recordlen) {
  char errmsg[256];
  char **sptr;
  int i, ii, iii, slen, alen;
  *ierr = 0;
  slen = 32L;
  if (qa_recordlen != 32L) {
    slen = qa_recordlen;
  }
  alen = 4;
  if (!(sptr = malloc(((*num_qa_records) * alen + 1) * sizeof(char *)))) {
    *ierr = 1000;
    return;
  }
  iii = 0;
  for (i = 0; i < *num_qa_records; i++) {
    for (ii = 0; ii < alen; ii++) {
      *(sptr + iii) = malloc((slen + 1) * sizeof(char));
      if (*(sptr + iii) == 0) {
        free(sptr);
        *ierr = 1000;
        sprintf(errmsg, "Error: failed to allocate space for qa record %d for file id %d", i, *idexo);
        ex_err("expqa", errmsg, 1000);
        return;
      }
      ex_fstrncpy(*(sptr + iii), qa_record + iii * qa_recordlen, slen);
      iii++;
    }
  }
  *(sptr + iii) = 0;
  if (ex_put_qa(*idexo, *num_qa_records, (void *)sptr) == -1)
    *ierr = -1;
  iii = 0;
  for (i = 0; i < *num_qa_records; i++) {
    for (ii = 0; ii < alen; ii++) {
      free(*(sptr + iii));
      iii++;
    }
  }
  free(sptr);
}
```