user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x98,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x88(%rsp)
  xor    %eax,%eax
  lea    D5(%rip),%rsi
  lea    D31(%rip),%rdi
  call   <fopen@plt>
  test   %rax,%rax
  je     L93
  mov    %rax,%r14
  mov    $0x0,%r13d
  mov    $0x0,%r15d
L14:
  lea    0x20(%rsp),%rdi
  mov    %r14,%rdx
  mov    $0x64,%esi
  call   <fgets@plt>
  test   %rax,%rax
  je     L72
  mov    $0x0,%ebx
  mov    $0x0,%ebp
  mov    $0x0,%r12d
  jmp    L79
L93:
  lea    D0(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L81
L115:
  test   %r12d,%r12d
  jne    L39
L12:
  add    $0x1,%rbx
L79:
  lea    0x20(%rsp),%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jle    L14
  movsbl 0x20(%rsp,%rbx,1),%edi
  call   <isalnum@plt>
  test   %rax,%rax
  je     L115
  movslq %ebp,%rax
  movzbl 0x20(%rsp,%rbx,1),%edx
  mov    %dl,(%rsp,%rax,1)
  lea    0x1(%rbp),%ebp
  mov    $0x1,%r12d
  jmp    L12
L39:
  movslq %ebp,%rbp
  movb   $0x0,(%rsp,%rbp,1)
  mov    %rsp,%rdi
  call   <isAllowedWord@plt>
  test   %rax,%rax
  jne    L9
L105:
  add    $0x1,%r13d
  mov    $0x0,%ebp
  mov    $0x0,%r12d
  jmp    L12
L9:
  mov    %rsp,%rsi
  lea    D17(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%r15d
  jmp    L105
L72:
  mov    %r15d,%esi
  lea    D54(%rip),%rdi
  call   <printf@plt>
  mov    %r13d,%esi
  lea    D47(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
L81:
  mov    0x88(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L32
  add    $0x98,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L32:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D5
type_guessed: string
name: unpack_data
arguments: label: D31
type_guessed: string
name: unpack_data
arguments: label: D0
type_guessed: string
name: unpack_data
arguments: label: D17
type_guessed: string
name: unpack_data
arguments: label: D54
type_guessed: string
name: unpack_data
arguments: label: D47
type_guessed: string

tool: D5: r

tool: D31: D:\_strukturno\vlez.txt

tool: D0: Vlez.txt can not be opened!

tool: D17: %s 

tool: D54: Total allowed words: %d


tool: D47: Total words: %d


assistant: ```c
int main() {
  int i, inWord;
  int count = 0, totalallowed = 0, totalwords = 0;
  char row[100], zbor[20];
  FILE *ptr;
  if ((ptr = fopen("D:\\_strukturno\\vlez.txt", "r")) == NULL) {
    printf("Vlez.txt can not be opened!");
    return -1;
  }
  while (fgets(row, 100, ptr) != NULL) {
    inWord = count = 0;
    for (i = 0; i < strlen(row); i++) {
      if (isalnum(row[i])) {
        if (!inWord) {
          inWord = 1;
        }
        zbor[count++] = row[i];
      } else if (inWord) {
        inWord = 0;
        zbor[count] = '\0';
        if (isAllowedWord(zbor)) {
          printf("%s ", zbor);
          totalallowed++;
        }
        totalwords++;
        count = 0;
      }
    }
  }
  printf("Total allowed words: %d\n", totalallowed);
  printf("Total words: %d\n", totalwords);
  fclose(ptr);
  return 0;
}
```