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

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xe(%rsp),%rbp
  lea    0x18(%rsp),%r12
  mov    %rbp,%rax
L55:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L55
  mov    $0x0,%eax
L89:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L89
  mov    $0x0,%ebx
  lea    0xe(%rsp),%r13
  jmp    L276
L50:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L285
L276:
  movsbl (%rbx,%r13,1),%eax
  cmp    %ebx,%eax
  je     L50
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L50
L285:
  mov    %rbp,%rax
L349:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L349
  mov    $0x0,%eax
L10:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L10
  mov    $0x0,%ebx
  lea    0xe(%rsp),%r13
  jmp    L133
L299:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L116
L133:
  movsbl (%rbx,%r13,1),%eax
  cmp    %ebx,%eax
  je     L299
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L299
L116:
  mov    %rbp,%rax
L6:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L6
  mov    $0x0,%eax
L149:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L149
  mov    $0x0,%ebx
  lea    0xe(%rsp),%r13
  jmp    L15
L192:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L245
L15:
  movsbl (%rbx,%r13,1),%eax
  cmp    %ebx,%eax
  je     L192
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L192
L245:
  mov    $0x0,%eax
L185:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L185
  mov    $0x0,%ebx
  lea    0xe(%rsp),%r13
  jmp    L248
L305:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L237
L248:
  movsbl (%rbx,%r13,1),%eax
  cmp    %ebx,%eax
  je     L305
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L305
L237:
  movb   $0x0,0x0(%rbp)
  add    $0x1,%rbp
  cmp    %r12,%rbp
  jne    L237
  mov    $0x0,%eax
L275:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L275
  mov    $0x0,%ebx
  lea    0xe(%rsp),%rbp
  jmp    L2
L330:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L71
L2:
  movsbl (%rbx,%rbp,1),%eax
  cmp    %ebx,%eax
  je     L330
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L330
L71:
  mov    $0x0,%eax
L244:
  mov    %al,0xe(%rsp,%rax,1)
  add    $0x1,%rax
  cmp    $0xa,%rax
  jne    L244
  mov    $0x0,%ebx
  lea    0xe(%rsp),%rbp
  jmp    L322
L90:
  add    $0x1,%rbx
  cmp    $0xa,%rbx
  je     L69
L322:
  movsbl (%rbx,%rbp,1),%eax
  cmp    %ebx,%eax
  je     L90
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L90
L69:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L158
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L158:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  char a[10];
  int i;
  for (i = 0; i < 10; ++i)
    a[i] = 0;
#pragma acc data copy(a)
  {
#pragma acc parallel present(a)
    {
      int j;
      for (j = 0; j < 10; ++j)
        a[j] = j;
    }
  }
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
  for (i = 0; i < 10; ++i)
    a[i] = 0;
#pragma acc data copy(a)
  {
#pragma acc kernels present(a)
    {
      int j;
      for (j = 0; j < 10; ++j)
        a[j] = j;
    }
  }
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
  for (i = 0; i < 10; ++i)
    a[i] = 0;
#pragma acc data copy(a)
  {
#pragma acc data present(a)
    {
#pragma acc parallel present(a)
      {
        int j;
        for (j = 0; j < 10; ++j)
          a[j] = j;
      }
    }
  }
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
#pragma acc data copy(a)
  {
#pragma acc data present(a)
    {
#pragma acc kernels present(a)
      {
        int j;
        for (j = 0; j < 10; ++j)
          a[j] = j;
      }
    }
  }
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
  for (i = 0; i < 10; ++i)
    a[i] = 0;
#pragma acc enter data copyin(a)
#pragma acc data present(a)
  {
#pragma acc parallel present(a)
    {
      int j;
      for (j = 0; j < 10; ++j)
        a[j] = j;
    }
  }
#pragma acc exit data copyout(a)
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
#pragma acc enter data copyin(a)
#pragma acc data present(a)
  {
#pragma acc kernels present(a)
    {
      int j;
      for (j = 0; j < 10; ++j)
        a[j] = j;
    }
  }
#pragma acc exit data copyout(a)
  for (i = 0; i < 10; ++i) {
    if (a[i] != i)
      abort();
  }
  return 0;
}
```