user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %r15
  mov    $0x64,%edx
  xor    %esi,%esi
  push   %r14
  push   %r13
  push   %r12
  lea    D3(%rip),%r12
  push   %rbp
  push   %rbx
  lea    D28(%rip),%rbx
  sub    $0x6a8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x698(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%rbp
  lea    0x14(%rsp),%r13
  mov    %rbp,%rdi
  lea    0x90(%rsp),%r14
  lea    0x10(%rsp),%r15
  call   <memset@plt>
  mov    %rbp,%rdi
  lea    D40(%rip),%rsi
  call   <strcpy@plt>
  mov    $0x64,%edx
  mov    %r14,%rdi
  xor    %esi,%esi
  movl   $0x64,0x10(%rsp)
  movl   $0x6,0x14(%rsp)
  call   <memset@plt>
  lea    D68(%rip),%rsi
  mov    %r14,%rdi
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <puts@plt>
  mov    %rbx,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  lea    D27(%rip),%r9
  mov    %r9,%rcx
  call   <keyhas_@plt>
  lea    D43(%rip),%rdi
  call   <setper_@plt>
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  mov    %r12,%rdx
  lea    0x1e0(%rsp),%rbp
  call   <enc_@plt>
  movslq 0x10(%rsp),%rax
  mov    %rbp,%rdi
  xor    %esi,%esi
  mov    %rax,%rdx
  movb   $0x0,0x90(%rsp,%rax,1)
  call   <memset@plt>
  mov    %rbp,%rdx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <tob64_@plt>
  mov    0x10(%rsp),%eax
  mov    $0xa,%edi
  lea    0x500(%rsp),%r14
  add    %eax,%eax
  cltq
  movb   $0x0,0x1e0(%rsp,%rax,1)
  call   <putchar@plt>
  mov    %rbp,%rdi
  call   <puts@plt>
  lea    0x18(%rsp),%r10
  mov    %r15,%rsi
  mov    %rbp,%rdi
  lea    0x370(%rsp),%r8
  mov    %r10,%rcx
  shll   0x10(%rsp)
  lea    0x1c(%rsp),%rbp
  mov    %r8,%rdx
  mov    %r10,0x8(%rsp)
  lea    0x100(%rsp),%r15
  mov    %r8,(%rsp)
  call   <spacfr_@plt>
  movslq 0x18(%rsp),%rax
  mov    $0xa,%edi
  movb   $0x0,0x370(%rsp,%rax,1)
  call   <putchar@plt>
  mov    (%rsp),%rdi
  call   <puts@plt>
  mov    %rbx,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  lea    D27(%rip),%r9
  mov    %r9,%rcx
  call   <keyhas_@plt>
  mov    0x8(%rsp),%rsi
  mov    %rbp,%rcx
  mov    %r14,%rdx
  mov    (%rsp),%rdi
  call   <despcf_@plt>
  movslq 0x1c(%rsp),%rax
  mov    $0xa,%edi
  movb   $0x0,0x500(%rsp,%rax,1)
  call   <putchar@plt>
  mov    %r14,%rdi
  call   <puts@plt>
  mov    %r14,%rdi
  mov    %r15,%rdx
  mov    %rbp,%rsi
  call   <deb64_@plt>
  mov    0x1c(%rsp),%edx
  mov    %r13,%rcx
  mov    %rbp,%rsi
  lea    0x170(%rsp),%r14
  mov    %r15,%rdi
  mov    %edx,%eax
  mov    %r14,%r8
  shr    $0x1f,%eax
  add    %edx,%eax
  mov    %r12,%rdx
  sar    %eax
  mov    %eax,0x1c(%rsp)
  cltq
  movb   $0x0,0x100(%rsp,%rax,1)
  call   <dec_@plt>
  movslq 0x1c(%rsp),%rax
  mov    $0xa,%edi
  movb   $0x0,0x170(%rsp,%rax,1)
  call   <putchar@plt>
  mov    %r14,%rdi
  call   <puts@plt>
  mov    0x698(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x6a8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D3
type: string
name: extract_symbolic_data
arguments: tag: D28
type: string
name: extract_symbolic_data
arguments: tag: D40
type: string
name: extract_symbolic_data
arguments: tag: D68
type: string
name: extract_symbolic_data
arguments: tag: D27
type: string
name: extract_symbolic_data
arguments: tag: D43
type: string

tool: D3: asdqwe

tool: D28: *

tool: D40: Some example text followed by many NULLs|abcdefghijklmnopqestuvwxyz

tool: D68: no no no

tool: D27: 

tool: D43: =	
 !"#$'&%()*+,-.10/25436789:;<@?>

assistant: ```c
int main(int argc, char *argv[]) {
  char clearText[102];
  memset(clearText, '\0', sizeof(char) * 100);
  strcpy(clearText, "Some example text followed by many NULLs|abcdefghijklmnopqestuvwxyz");
  int nClearText = 100 * sizeof(char);
  char *testKey = "asdqwe";
  int testKeyLen = (int)strlen(testKey);
  char encText[102];
  memset(encText, '\0', sizeof(char) * 100);
  strcpy(encText, "no no no");
  printf("%s\n", clearText);
  static const char perm[64] = {
      61, 3, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 13, 15, 16, 19, 18, 17, 20, 21, 22, 23, 24, 25, 26, 27, 28, 31, 30, 29, 32, 33, 34, 35, 36, 39, 38, 37, 40, 41, 42, 43, 44, 45, 46, 49, 48, 47, 50, 53, 52, 51, 54, 55, 56, 57, 58, 59, 60, 64, 63, 62, 1,
  };
  static const int magic1 = 42;
  static const int magic2 = 3;
  keyhas_(testKey, &testKeyLen, &magic1, &magic2);
  setper_(perm);
  enc_(clearText, &nClearText, testKey, &testKeyLen, encText);
  encText[nClearText] = '\0';
  char tob64[400];
  memset(tob64, '\0', sizeof(char) * nClearText);
  tob64_(encText, &nClearText, tob64);
  tob64[2 * nClearText] = '\0';
  printf("\n");
  printf("%s\n", tob64);
  nClearText *= 2;
  char randomized[400];
  int nrandomized;
  spacfr_(tob64, &nClearText, randomized, &nrandomized);
  randomized[nrandomized] = '\0';
  printf("\n");
  printf("%s\n", randomized);
  keyhas_(testKey, &testKeyLen, &magic1, &magic2);
  char derandomized[400];
  int ndeq;
  despcf_(randomized, &nrandomized, derandomized, &ndeq);
  derandomized[ndeq] = '\0';
  printf("\n");
  printf("%s\n", derandomized);
  char deb64[102];
  deb64_(derandomized, &ndeq, deb64);
  ndeq /= 2;
  deb64[ndeq] = '\0';
  char decText[102];
  dec_(deb64, &ndeq, testKey, &testKeyLen, decText);
  decText[ndeq] = '\0';
  printf("\n");
  printf("%s\n", decText);
  return 0;
}
```