user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x828,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  lea    D59(%rip),%rdi
  call   <puts@plt>
  lea    D7(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  cmp    $0x7a,%al
  je     L56
  mov    %eax,%ebx
  mov    $0x1,%ebp
  movl   $0x0,0xc(%rsp)
  movl   $0x0,0x8(%rsp)
  mov    $0x0,%r15d
  mov    $0x0,%r13d
  lea    0xf(%rsp),%r14
  jmp    L101
L50:
  add    $0x1,%r13d
L106:
  mov    %bl,(%r14,%rbp,1)
  mov    %ebp,%r12d
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %eax,%ebx
  add    $0x1,%rbp
  cmp    $0x7a,%al
  je     L52
L101:
  movsbl %bl,%r12d
  mov    %r12d,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L50
  mov    %r12d,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L13
  add    $0x1,%r15d
  jmp    L106
L13:
  mov    %r12d,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L91
  addl   $0x1,0x8(%rsp)
  mov    %r12d,%edi
  call   <toupper@plt>
  mov    %eax,%ebx
  jmp    L106
L91:
  mov    %r12d,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L106
  addl   $0x1,0xc(%rsp)
  mov    %r12d,%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  jmp    L106
L56:
  mov    $0x0,%r12d
  movl   $0x0,0xc(%rsp)
  movl   $0x0,0x8(%rsp)
  mov    $0x0,%r15d
  mov    $0x0,%r13d
L52:
  movslq %r12d,%r12
  movb   $0x0,0x10(%rsp,%r12,1)
  lea    0x10(%rsp),%rsi
  lea    D23(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r13d,%esi
  lea    D79(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r15d,%esi
  lea    D8(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%esi
  lea    D9(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%esi
  lea    D27(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D38(%rip),%rdi
  call   <puts@plt>
  mov    0x818(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L81
  mov    $0x0,%eax
  add    $0x828,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L81:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D59
data_type: string
name: unpack_data
arguments: label: D7
data_type: string
name: unpack_data
arguments: label: D23
data_type: string
name: unpack_data
arguments: label: D79
data_type: string
name: unpack_data
arguments: label: D8
data_type: string
name: unpack_data
arguments: label: D9
data_type: string
name: unpack_data
arguments: label: D27
data_type: string
name: unpack_data
arguments: label: D38
data_type: string

tool: D59: Enter any input from the keyboard. To end input z


tool: D7: (This is what the user enters)

tool: D23: 
(This is what the program outputs)
%s

tool: D79: 
The number of whitespace characters is: %d


tool: D8: The number of digits is: %d


tool: D9: The number of lowercase characters is: %d


tool: D27: The number of uppercase characters is: %d



tool: D38: Goodbye

assistant: ```c
int main() {
  char input[2048];
  char output[2048];
  char c;
  int outWhite = 0;
  int outDigits = 0;
  int outLower = 0;
  int outUpper = 0;
  int i = 0;
  printf("Enter any input from the keyboard. To end input z\n\n");
  printf("(This is what the user enters)\n");
  c = getchar();
  while (c != 'z') {
    if (isspace(c) != 0) {
      outWhite += 1;
    } else if (isdigit(c) != 0) {
      outDigits += 1;
    } else if (islower(c) != 0) {
      outLower += 1;
      c = toupper(c);
    } else if (isupper(c) != 0) {
      outUpper += 1;
      c = tolower(c);
    } else {
    }
    output[i] = c;
    i++;
    c = getchar();
  }
  output[i] = '\0';
  printf("\n(This is what the program outputs)\n%s", output);
  printf("\nThe number of whitespace characters is: %d\n", outWhite);
  printf("The number of digits is: %d\n", outDigits);
  printf("The number of lowercase characters is: %d\n", outLower);
  printf("The number of uppercase characters is: %d\n\n", outUpper);
  printf("Goodbye\n");
  return 0;
}
```