user: 请将以下的汇编代码转换成C语言代码:

```asm
<sendRequest>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x840,%rsp
  mov    %edi,-0x824(%rbp)
  mov    %rsi,-0x830(%rbp)
  mov    %rdx,-0x838(%rbp)
  mov    %ecx,-0x828(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  lea    (%rdx,%rax,1),%rcx
  mov    -0x838(%rbp),%rax
  mov    %rax,%rdx
  lea    D66(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  add    %rdx,%rax
  lea    D1(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  lea    (%rdx,%rax,1),%rcx
  mov    -0x828(%rbp),%eax
  mov    %eax,%edx
  lea    D61(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  add    %rdx,%rax
  lea    D43(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  add    %rdx,%rax
  lea    D34(%rip),%rdx
  lea    D71(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  lea    (%rdx,%rax,1),%rcx
  mov    -0x838(%rbp),%rax
  mov    %rax,%rdx
  lea    D37(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
  mov    -0x828(%rbp),%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  cmp    $0x7ff,%eax
  jle    L33
  mov    $0xffffffff,%eax
  jmp    L30
L33:
  cmpq   $0x0,-0x830(%rbp)
  je     L11
  mov    -0x818(%rbp),%eax
  cltq
  lea    -0x810(%rbp),%rdx
  lea    (%rdx,%rax,1),%rcx
  mov    -0x830(%rbp),%rax
  mov    %rax,%rdx
  lea    D48(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  mov    %eax,%edx
  mov    -0x818(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x818(%rbp)
L11:
  mov    -0x818(%rbp),%edx
  lea    -0x810(%rbp),%rsi
  mov    -0x824(%rbp),%eax
  mov    $0x0,%ecx
  mov    %eax,%edi
  call   <send@plt>
  mov    %eax,-0x814(%rbp)
  mov    -0x814(%rbp),%eax
L30:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L17
  call   <__stack_chk_fail@plt>
L17:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D66
type_guessed: string
name: retrieve_data
arguments: label: D1
type_guessed: string
name: retrieve_data
arguments: label: D61
type_guessed: string
name: retrieve_data
arguments: label: D43
type_guessed: string
name: retrieve_data
arguments: label: D34
type_guessed: string
name: retrieve_data
arguments: label: D71
type_guessed: string
name: retrieve_data
arguments: label: D37
type_guessed: string
name: retrieve_data
arguments: label: D48
type_guessed: string

tool: D66: POST /merlin/%s HTTP/1.1


tool: D1: Content-Type: application/json


tool: D61: Content-Length: %d


tool: D43: Agent: merlin HTTP agent


tool: D34: KkZvY3VzVmlzaW9uOm5vaXNpVnN1Y29GKg==

tool: D71: Authorization: Basic %s


tool: D37: Data_Param: version=1.0.0.0&operation=%s&session=0&sequence=1&unit=DEVICE&id=0



tool: D48: %s

assistant: ```c
int sendRequest(int fd, const char *jsonBuf, const char *cmd, int jLen) {
  int offset = 0;
  int iret;
  char header_str[2048];
  offset += sprintf(header_str + offset, "POST /merlin/%s HTTP/1.1\r\n", cmd);
  offset += sprintf(header_str + offset, "Content-Type: application/json\r\n");
  offset += sprintf(header_str + offset, "Content-Length: %d\r\n", jLen);
  offset += sprintf(header_str + offset, "Agent: merlin HTTP agent\r\n");
  offset += sprintf(header_str + offset, "Authorization: Basic %s\r\n", "KkZvY3VzVmlzaW9uOm5vaXNpVnN1Y29GKg==");
  offset += sprintf(header_str + offset,
                    "Data_Param: version=1.0.0.0&operation="
                    "%s&session=0&sequence=1&unit=DEVICE&id=0\r\n\r\n",
                    cmd);
  if (jLen + offset >= 2048)
    return -1;
  if (jsonBuf)
    offset += sprintf(header_str + offset, "%s", jsonBuf);
  iret = send(fd, header_str, offset, 0);
  return iret;
}
```