user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r15
  mov    $0xc,%ecx
  mov    $0x1,%edx
  mov    $0x9,%esi
  push   %r14
  mov    $0x1,%edi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1b8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  call   <imatrix@plt>
  lea    D54(%rip),%rsi
  lea    D75(%rip),%rdi
  mov    %rax,0x8(%rsp)
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L24
L33:
  lea    0x150(%rsp),%rbp
  mov    %r15,%rdx
  mov    $0x50,%esi
  mov    %rbp,%rdi
  lea    0x9e(%rsp),%r14
  lea    0x56(%rsp),%r13
  call   <fgets@plt>
  mov    %r15,%rdx
  mov    $0x50,%esi
  mov    %rbp,%rdi
  call   <fgets@plt>
  lea    0x140(%rsp),%rax
  mov    %r15,%rdi
  mov    %r13,%r12
  mov    %rax,(%rsp)
  mov    %rax,%rdx
  xor    %eax,%eax
  lea    D34(%rip),%rsi
  call   <fscanf@plt>
  movb   $0x0,0x14f(%rsp)
  lea    D119(%rip),%rbx
  mov    %r14,0x18(%rsp)
  nopl   0x0(%rax)
L74:
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fscanf@plt>
  add    $0x6,%r12
  cmp    %r14,%r12
  jne    L74
  mov    %rbp,%rdi
  mov    %r15,%rdx
  mov    $0x50,%esi
  call   <fgets@plt>
  mov    %rbp,%rdi
  mov    %r15,%rdx
  mov    $0x50,%esi
  call   <fgets@plt>
  mov    0x8(%rsp),%rax
  lea    0xb0(%rsp),%r14
  mov    %r13,0x20(%rsp)
  mov    %r14,0x10(%rsp)
  lea    D100(%rip),%r12
  lea    0x8(%rax),%rbx
  mov    %rbx,0x28(%rsp)
  mov    %rbx,%rbp
  mov    (%rsp),%rbx
  nop
L19:
  mov    %r14,%rdx
  lea    D65(%rip),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fscanf@plt>
  movb   $0x0,0xf(%r14)
  mov    $0x4,%r13d
  nop
L12:
  mov    0x0(%rbp),%rdx
  mov    %r12,%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  add    %r13,%rdx
  add    $0x4,%r13
  call   <fscanf@plt>
  cmp    $0x34,%r13
  jne    L12
  add    $0x10,%r14
  add    $0x8,%rbp
  cmp    %rbx,%r14
  jne    L19
  mov    %r15,%rdi
  mov    0x20(%rsp),%r13
  mov    0x28(%rsp),%rbx
  lea    D12(%rip),%rbp
  call   <fclose@plt>
  mov    (%rsp),%rsi
  lea    D9(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x18(%rsp),%r12
  nopl   0x0(%rax,%rax,1)
L34:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x6,%r13
  call   <printf@plt>
  cmp    %r12,%r13
  jne    L34
  lea    D162(%rip),%rdi
  lea    D110(%rip),%r12
  call   <puts@plt>
  mov    0x10(%rsp),%r14
  mov    (%rsp),%r15
  lea    D40(%rip),%rbp
  nopl   0x0(%rax)
L65:
  mov    %r14,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  mov    $0x4,%r13d
  call   <printf@plt>
  nopl   0x0(%rax,%rax,1)
L73:
  mov    (%rbx),%rax
  mov    %rbp,%rdi
  mov    (%rax,%r13,1),%esi
  xor    %eax,%eax
  add    $0x4,%r13
  call   <printf@plt>
  cmp    $0x34,%r13
  jne    L73
  mov    $0xa,%edi
  add    $0x10,%r14
  add    $0x8,%rbx
  call   <putchar@plt>
  cmp    %r15,%r14
  jne    L65
  lea    0x3c(%rsp),%rax
  lea    0x40(%rsp),%rcx
  mov    $0xc,%edx
  mov    $0x9,%esi
  push   %rax
  lea    D3(%rip),%rbp
  lea    0x4c(%rsp),%rax
  push   %rax
  mov    0x18(%rsp),%rbx
  mov    %rbx,%rdi
  lea    0x5c(%rsp),%r9
  lea    0x58(%rsp),%r8
  call   <cntab1@plt>
  mov    %rbp,%rsi
  pxor   %xmm0,%xmm0
  lea    D77(%rip),%rdi
  mov    $0x1,%eax
  cvtss2sd 0x50(%rsp),%xmm0
  call   <printf@plt>
  mov    %rbp,%rsi
  pxor   %xmm0,%xmm0
  lea    D26(%rip),%rdi
  mov    $0x1,%eax
  cvtss2sd 0x58(%rsp),%xmm0
  call   <printf@plt>
  mov    %rbp,%rsi
  pxor   %xmm0,%xmm0
  lea    D170(%rip),%rdi
  mov    $0x1,%eax
  cvtss2sd 0x5c(%rsp),%xmm0
  call   <printf@plt>
  mov    %rbp,%rsi
  pxor   %xmm0,%xmm0
  lea    D167(%rip),%rdi
  mov    $0x1,%eax
  cvtss2sd 0x54(%rsp),%xmm0
  call   <printf@plt>
  mov    %rbp,%rsi
  pxor   %xmm0,%xmm0
  lea    D35(%rip),%rdi
  mov    $0x1,%eax
  cvtss2sd 0x4c(%rsp),%xmm0
  call   <printf@plt>
  mov    $0x9,%edx
  mov    $0xc,%r8d
  mov    %rbx,%rdi
  mov    $0x1,%ecx
  mov    $0x1,%esi
  call   <free_imatrix@plt>
  pop    %rax
  pop    %rdx
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  add    $0x1b8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  lea    D10(%rip),%rdi
  call   <nrerror@plt>
  jmp    L33
L20:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D54
type_infered: string
name: unpack_data
arguments: tag: D75
type_infered: string
name: unpack_data
arguments: tag: D34
type_infered: string
name: unpack_data
arguments: tag: D119
type_infered: string
name: unpack_data
arguments: tag: D100
type_infered: string
name: unpack_data
arguments: tag: D65
type_infered: string
name: unpack_data
arguments: tag: D12
type_infered: string
name: unpack_data
arguments: tag: D9
type_infered: string
name: unpack_data
arguments: tag: D162
type_infered: string
name: unpack_data
arguments: tag: D110
type_infered: string
name: unpack_data
arguments: tag: D40
type_infered: string
name: unpack_data
arguments: tag: D3
type_infered: string
name: unpack_data
arguments: tag: D77
type_infered: string
name: unpack_data
arguments: tag: D26
type_infered: string
name: unpack_data
arguments: tag: D170
type_infered: string
name: unpack_data
arguments: tag: D167
type_infered: string
name: unpack_data
arguments: tag: D35
type_infered: string
name: unpack_data
arguments: tag: D10
type_infered: string

tool: D54: r

tool: D75: table1.dat

tool: D34: %16c

tool: D119:  %s

tool: D100: %d 

tool: D65: %16[^0123456789]

tool: D12: %5s

tool: D9: 
%s

tool: D162: 


tool: D110: %s

tool: D40: %5d

tool: D3:  

tool: D77: 
%15s chi-squared       %20.2f


tool: D26: %15s degrees of freedom%20.2f


tool: D170: %15s probability       %20.4f


tool: D167: %15s cramer-v          %20.4f


tool: D35: %15s contingency coeff.%20.4f


tool: D10: Data file table1.dat not found


assistant: ```c
int main(void) {
  int i, j, **nmbr;
  float ccc, chisq, cramrv, df, prob;
  char dummy[80], fate[9 + 1][16], mon[12 + 1][6], txt[16];
  FILE *fp;
  nmbr = imatrix(1, 9, 1, 12);
  if ((fp = fopen("table1.dat", "r")) == NULL)
    nrerror("Data file table1.dat not found\n");
  fgets(dummy, 80, fp);
  fgets(dummy, 80, fp);
  fscanf(fp, "%16c", txt);
  txt[15] = '\0';
  for (i = 1; i <= 12; i++)
    fscanf(fp, " %s", mon[i]);
  fgets(dummy, 80, fp);
  fgets(dummy, 80, fp);
  for (i = 1; i <= 9; i++) {
    fscanf(fp, "%16[^0123456789]", fate[i]);
    fate[i][15] = '\0';
    for (j = 1; j <= 12; j++)
      fscanf(fp, "%d ", &nmbr[i][j]);
  }
  fclose(fp);
  printf("\n%s", txt);
  for (i = 1; i <= 12; i++)
    printf("%5s", mon[i]);
  printf("\n\n");
  for (i = 1; i <= 9; i++) {
    printf("%s", fate[i]);
    for (j = 1; j <= 12; j++)
      printf("%5d", nmbr[i][j]);
    printf("\n");
  }
  cntab1(nmbr, 9, 12, &chisq, &df, &prob, &cramrv, &ccc);
  printf("\n%15s chi-squared       %20.2f\n", " ", chisq);
  printf("%15s degrees of freedom%20.2f\n", " ", df);
  printf("%15s probability       %20.4f\n", " ", prob);
  printf("%15s cramer-v          %20.4f\n", " ", cramrv);
  printf("%15s contingency coeff.%20.4f\n", " ", ccc);
  free_imatrix(nmbr, 1, 9, 1, 12);
  return 0;
}
```