user: What would the C source look like for the assembly code provided here?

```asm
<dataConnect>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %edi,-0x74(%rbp)
  mov    %rsi,-0x80(%rbp)
  mov    %rdx,-0x88(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  movq   $0x400,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x50(%rbp)
  mov    %rax,%r10
  mov    $0x0,%r11d
  mov    %rax,%r8
  mov    $0x0,%r9d
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%ecx
  mov    $0x0,%edx
  div    %rcx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L128:
  cmp    %rdx,%rsp
  je     L54
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L128
L54:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L137
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L137:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x48(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <bzero@plt>
  cmpq   $0x0,-0x80(%rbp)
  jne    L114
  lea    D64(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L114:
  mov    -0x88(%rbp),%rax
  lea    D26(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x40(%rbp)
  cmpq   $0x0,-0x40(%rbp)
  jne    L84
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L84:
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <FD_ZERO@plt>
  lea    -0x68(%rbp),%rdx
  mov    -0x74(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <FD_SET@plt>
  mov    -0x74(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x60(%rbp)
  movl   $0x0,-0x64(%rbp)
  jmp    L86
L76:
  mov    -0x58(%rbp),%rdx
  mov    -0x48(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <bzero@plt>
  movl   $0x14,-0x30(%rbp)
  movq   $0x0,-0x28(%rbp)
  lea    -0x30(%rbp),%rdx
  lea    -0x68(%rbp),%rsi
  mov    -0x60(%rbp),%eax
  mov    %rdx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %eax,%edi
  call   <select@plt>
  mov    %eax,-0x5c(%rbp)
  cmpl   $0xffffffff,-0x5c(%rbp)
  jne    L78
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  lea    D29(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  jmp    L86
L78:
  cmpl   $0x0,-0x5c(%rbp)
  je     L88
  mov    -0x58(%rbp),%rdx
  mov    -0x48(%rbp),%rsi
  mov    -0x74(%rbp),%eax
  mov    $0x0,%ecx
  mov    %eax,%edi
  call   <recv@plt>
  mov    %rax,-0x38(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  jns    L18
  lea    D73(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L18:
  cmpq   $0x0,-0x38(%rbp)
  je     L86
  mov    -0x40(%rbp),%rcx
  mov    -0x38(%rbp),%rdx
  mov    -0x48(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fwrite@plt>
  jmp    L86
L88:
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L86:
  mov    -0x64(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x64(%rbp)
  cmp    $0x3e7,%eax
  jle    L76
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    %rbx,%rsp
  nop
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L85
  call   <__stack_chk_fail@plt>
L85:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D64
type: string
name: read_data
arguments: data_label: D26
type: string
name: read_data
arguments: data_label: D37
type: string
name: read_data
arguments: data_label: D12
type: string
name: read_data
arguments: data_label: D29
type: string
name: read_data
arguments: data_label: D73
type: string
name: read_data
arguments: data_label: D34
type: string
name: read_data
arguments: data_label: D9
type: string

tool: D64: useless thing

tool: D26: w

tool: D37: Error creating file.

tool: D12: In dataConnect.


tool: D29: select()

tool: D73: ERROR reading from socket

tool: D34: Timeout

tool: D9: Out of loop


assistant: ```c
void dataConnect(int sock, struct sockaddr_in *client_addr, char *filename) {
  int maxfd;
  ssize_t n;
  size_t BUFFER_SIZE = 1024;
  char buffer[BUFFER_SIZE];
  bzero(buffer, 256);
  fd_set rfds;
  struct timeval tv;
  int retval;
  if (client_addr == NULL)
    perror("useless thing");
  FILE *fp = fopen(filename, "w");
  if (!fp)
    perror("Error creating file.");
  printf("In dataConnect.\n");
  FD_ZERO(&rfds);
  FD_SET(sock, &rfds);
  maxfd = sock + 1;
  int i = 0;
  while (i++ < 1000) {
    bzero(buffer, BUFFER_SIZE);
    tv.tv_sec = 20;
    tv.tv_usec = 0;
    retval = select(maxfd, &rfds, NULL, NULL, &tv);
    if (retval == -1) {
      fclose(fp);
      perror("select()");
    } else if (retval) {
      n = recv(sock, buffer, BUFFER_SIZE, 0);
      if (n < 0)
        perror("ERROR reading from socket");
      if (n != 0) {
        fwrite(buffer, 1, n, fp);
      }
    } else {
      fclose(fp);
      perror("Timeout");
    }
  }
  printf("Out of loop\n");
}
```