user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %r15
  mov    $0xa,%ecx
  mov    $0xd,%edx
  lea    D30(%rip),%rsi
  push   %r14
  lea    D49(%rip),%rdi
  push   %r13
  push   %r12
  push   %rbp
  lea    D32(%rip),%rbp
  push   %rbx
  lea    D43(%rip),%rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  call   <printf@plt>
  lea    D18(%rip),%rdi
  call   <puts@plt>
  lea    D88(%rip),%rdi
  call   <getenv@plt>
  mov    %rbp,%rdi
  mov    %rax,%r14
  mov    %rax,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r14,%rdi
  call   <urldecode@plt>
  mov    %r14,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r14,%rdi
  mov    %r14,(%rsp)
  call   <strlen@plt>
  mov    %eax,%r13d
  test   %r14,%r14
  je     L97
  nopl   (%rax)
L13:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strsep@plt>
  test   %rax,%rax
  jne    L13
  movslq %r13d,%rax
  mov    %r14,(%rsp)
  lea    (%r14,%rax,1),%r12
  cmp    %r12,%r14
  jae    L12
  lea    0x8(%rsp),%r15
  lea    D17(%rip),%r13
  lea    0x10(%rsp),%rbx
  nopl   (%rax)
L53:
  mov    %r14,%rdi
  mov    %r14,0x8(%rsp)
  call   <strlen@plt>
  cltq
  add    (%rsp),%rax
  mov    %rax,(%rsp)
  cmp    %r12,%rax
  jb     L91
  jmp    L85
  xchg   %ax,%ax
L50:
  add    $0x1,%rax
  mov    %rax,(%rsp)
  cmp    %r12,%rax
  je     L85
L91:
  cmpb   $0x0,(%rax)
  je     L50
L85:
  lea    D59(%rip),%rsi
  mov    %r15,%rdi
  call   <strsep@plt>
  mov    %rax,%rdi
  call   <puts@plt>
  mov    0x8(%rsp),%rdi
  call   <puts@plt>
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rdx
  lea    D64(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <system@plt>
  mov    (%rsp),%r14
  cmp    %r12,%r14
  jb     L53
L12:
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L69
  add    $0x78,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L97:
  lea    D57(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L12
L69:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D30
type: string
name: parse_data
arguments: label: D49
type: string
name: parse_data
arguments: label: D32
type: string
name: parse_data
arguments: label: D43
type: string
name: parse_data
arguments: label: D18
type: string
name: parse_data
arguments: label: D88
type: string
name: parse_data
arguments: label: D17
type: string
name: parse_data
arguments: label: D59
type: string
name: parse_data
arguments: label: D64
type: string
name: parse_data
arguments: label: D57
type: string

tool: D30: Content-Type:text/html;charset=utf-8

tool: D49: %s%c%c


tool: D32: %s

tool: D43: &

tool: D18: <TITLE>Uploading</TITLE>

tool: D88: QUERY_STRING

tool: D17: <br/>

tool: D59: =

tool: D64: sh upload.sh %s

tool: D57: <p>Error!Error in passing data from form to script.

assistant: ```c
int main(int argc, char *argv[]) {
  char *data = NULL;
  int len, nel;
  char *q, *value, *name;
  char cmd[80];
  char username[80][80];
  printf("%s%c%c\n", "Content-Type:text/html;charset=utf-8", 13, 10);
  printf("<TITLE>Uploading</TITLE>\n");
  data = getenv("QUERY_STRING");
  printf("%s", data);
  urldecode(data);
  printf("%s", data);
  q = data;
  nel = 0;
  len = strlen(data);
  int i = 0;
  if (data == NULL)
    printf("<p>Error!Error in passing data from form to script.");
  else {
    while (strsep(&q, "&"))
      nel++;
    for (q = data; q < (data + len);) {
      value = name = q;
      for (q += strlen(q); q < (data + len) && !*q; q++)
        ;
      name = strsep(&value, "=");
      printf("%s\n", name);
      printf("%s\n", value);
      printf("<br/>");
      sprintf(cmd, "sh upload.sh %s", value);
      printf("%s", cmd);
      system(cmd);
    }
  }
  return 0;
}
```