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    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x88,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,0x1078(%rsp)
  xor    %edx,%edx
  cmp    $0x1,%edi
  jne    L69
  movl   $0x0,0x1c(%rsp)
  lea    0x20(%rsp),%rbp
L49:
  movzbl 0x1c(%rsp),%ecx
  mov    $0x1,%ebx
  lea    D32(%rip),%rsi
  mov    %rbp,%rdi
  shl    %cl,%ebx
  mov    %ebx,%edx
  call   <sprintf@plt>
  mov    %rbp,%rsi
  lea    D17(%rip),%rdi
  call   <printf@plt>
  lea    D50(%rip),%rsi
  mov    %rbp,%rdi
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L20
  xor    %r13d,%r13d
  lea    0x70(%rsp),%r14
  lea    0x1070(%rsp),%r12
L88:
  movzbl %r13b,%ecx
  mov    %r13d,%edx
  mov    %rcx,%rax
  sar    $0x8,%edx
  movzbl %dl,%edx
  shl    $0x8,%rax
  or     %rdx,%rax
  shl    $0x8,%rax
  or     %rcx,%rax
  shl    $0x8,%rax
  or     %rdx,%rax
  shl    $0x8,%rax
  or     %rcx,%rax
  shl    $0x8,%rax
  or     %rdx,%rax
  shl    $0x8,%rax
  or     %rcx,%rax
  shl    $0x8,%rax
  or     %rdx,%rax
  mov    %rax,(%rsp)
  mov    %rax,0x8(%rsp)
  movdqa (%rsp),%xmm0
  mov    %r14,%rax
  pextrw $0x0,%xmm0,%r11d
  pextrw $0x4,%xmm0,%edi
  pextrw $0x5,%xmm0,%esi
  pextrw $0x1,%xmm0,%r10d
  pextrw $0x2,%xmm0,%r9d
  pextrw $0x3,%xmm0,%r8d
  pextrw $0x6,%xmm0,%ecx
  pextrw $0x7,%xmm0,%edx
  nop
L35:
  movw   $0x0,(%rax)
  add    $0x20,%rax
  movw   $0x0,-0x1c(%rax)
  movw   $0x0,-0x18(%rax)
  movw   $0x0,-0x14(%rax)
  movw   $0x0,-0x10(%rax)
  movw   $0x0,-0xc(%rax)
  movw   $0x0,-0x8(%rax)
  movw   $0x0,-0x4(%rax)
  mov    %r11w,-0x1e(%rax)
  mov    %r10w,-0x1a(%rax)
  mov    %r9w,-0x16(%rax)
  mov    %r8w,-0x12(%rax)
  mov    %di,-0xe(%rax)
  mov    %si,-0xa(%rax)
  mov    %cx,-0x6(%rax)
  mov    %dx,-0x2(%rax)
  cmp    %r12,%rax
  jne    L35
  mov    %r15,%rcx
  mov    $0x1000,%edx
  mov    $0x1,%esi
  mov    %r14,%rdi
  call   <fwrite@plt>
  cmp    $0x1000,%eax
  jne    L5
  add    $0x1,%r13d
  cmp    %r13d,%ebx
  jne    L88
  mov    %r15,%rdi
  call   <fclose@plt>
  addl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  cmp    $0xc,%eax
  jne    L49
  xor    %eax,%eax
  jmp    L40
L5:
  mov    %rbp,%rsi
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
L40:
  mov    0x1078(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L89
  add    $0x1088,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L69:
  mov    (%rsi),%rsi
  lea    D31(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L40
L89:
  call   <__stack_chk_fail@plt>
L20:
  mov    %rbp,%rsi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L40
```

tool_calls: name: read_data
arguments: label: D32
datatype: string
name: read_data
arguments: label: D17
datatype: string
name: read_data
arguments: label: D50
datatype: string
name: read_data
arguments: label: D3
datatype: string
name: read_data
arguments: label: D31
datatype: string
name: read_data
arguments: label: D5
datatype: string

tool: D32: 0x%06X

tool: D17: %s


tool: D50: wb

tool: D3: Error: cannot write data file '%s'


tool: D31: Usage: %s


tool: D5: Error: cannot open data file '%s'


assistant: ```c
int main(int argc, char *argv[]) {
  int j, i, k, m;
  char buf[80];
  unsigned char block[4096];
  FILE *dataFile;
  if (argc != 1) {
    printf("Usage: %s\n", argv[0]);
    return 1;
  }
  for (j = 0; j < 12; j++) {
    i = 1 << j;
    sprintf(buf, "0x%06X", i);
    printf("%s\n", buf);
    dataFile = fopen(buf, "wb");
    if (dataFile == NULL) {
      printf("Error: cannot open data file '%s'\n", buf);
      return 1;
    }
    for (m = 0; m < i; m++) {
      for (k = 0; k < 4096; k += 4) {
        block[k + 0] = m >> 24;
        block[k + 1] = m >> 16;
        block[k + 2] = m >> 8;
        block[k + 3] = m >> 0;
      }
      if (fwrite(block, 1, 4096, dataFile) != 4096) {
        printf("Error: cannot write data file '%s'\n", buf);
        return 1;
      }
    }
    fclose(dataFile);
  }
  return 0;
}
```