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

```asm
<intToRoman>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  movslq %edi,%rbx
  mov    $0x10,%edi
  mov    %rbx,%rbp
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %ebx,%edx
  mov    %rax,%r12
  imul   $0x10624dd3,%rbx,%rax
  sar    $0x1f,%edx
  sar    $0x26,%rax
  sub    %edx,%eax
  cmp    $0x3e7,%ebx
  jle    L211
  lea    -0x1(%rax),%ecx
  mov    $0x4d,%esi
  mov    %r12,%rdi
  lea    0x1(%rcx),%r13
  mov    %r13,%rdx
  call   <memset@plt>
  lea    (%r12,%r13,1),%rcx
L143:
  imul   $0x10624dd3,%rbx,%rbx
  mov    %ebp,%eax
  sar    $0x1f,%eax
  sar    $0x26,%rbx
  sub    %eax,%ebx
  imul   $0x3e8,%ebx,%eax
  mov    %ebp,%ebx
  sub    %eax,%ebx
  cmp    $0x383,%ebx
  jle    L176
  lea    0x2(%rcx),%rdi
  sub    $0x384,%ebx
  mov    $0x4d,%eax
L127:
  movb   $0x43,(%rcx)
  movslq %ebx,%r13
  mov    %al,0x1(%rcx)
  nopw   0x0(%rax,%rax,1)
L160:
  imul   $0x51eb851f,%r13,%r13
  mov    %ebx,%eax
  sar    $0x1f,%eax
  sar    $0x25,%r13
  sub    %eax,%r13d
  imul   $0x64,%r13d,%eax
  sub    %eax,%ebx
  mov    %ebx,%r13d
  cmp    $0x59,%ebx
  jle    L189
  lea    0x2(%rdi),%rdx
  sub    $0x5a,%r13d
  mov    $0x43,%eax
L196:
  movb   $0x58,(%rdi)
  movslq %r13d,%rbx
  mov    %al,0x1(%rdi)
  nopw   0x0(%rax,%rax,1)
L198:
  imul   $0x66666667,%rbx,%rax
  mov    %r13d,%ecx
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%ecx
  mov    %r13d,%eax
  add    %ecx,%ecx
  sub    %ecx,%eax
  cmp    $0x9,%eax
  je     L45
  cmp    $0x4,%eax
  jg     L17
  je     L25
L215:
  movslq %eax,%rdi
  xor    %ecx,%ecx
  test   %eax,%eax
  jle    L84
L0:
  mov    %ecx,%esi
  add    $0x1,%ecx
  movb   $0x49,(%rdx,%rsi,1)
  cmp    %eax,%ecx
  jb     L0
  add    %rdi,%rdx
L84:
  movb   $0x0,(%rdx)
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nop
L189:
  cmp    $0x31,%ebx
  jle    L224
  movb   $0x4c,(%rdi)
  sub    $0x32,%r13d
  add    $0x1,%rdi
L12:
  movslq %r13d,%rbx
  mov    %r13d,%edx
  imul   $0x66666667,%rbx,%rax
  sar    $0x1f,%edx
  sar    $0x22,%rax
  sub    %edx,%eax
  cmp    $0x9,%r13d
  jle    L134
  lea    -0x1(%rax),%edx
  mov    $0x58,%esi
  lea    0x1(%rdx),%rbp
  mov    %rbp,%rdx
  call   <memset@plt>
  lea    (%rax,%rbp,1),%rdx
  jmp    L198
  nopl   0x0(%rax)
L176:
  cmp    $0x1f3,%ebx
  jle    L42
  movb   $0x44,(%rcx)
  sub    $0x1f4,%ebx
  add    $0x1,%rcx
L129:
  movslq %ebx,%r13
  mov    %ebx,%edx
  imul   $0x51eb851f,%r13,%rax
  sar    $0x1f,%edx
  sar    $0x25,%rax
  sub    %edx,%eax
  cmp    $0x63,%ebx
  jle    L139
  lea    -0x1(%rax),%edi
  mov    $0x43,%esi
  lea    0x1(%rdi),%rbp
  mov    %rcx,%rdi
  mov    %rbp,%rdx
  call   <memset@plt>
  lea    (%rax,%rbp,1),%rdi
  jmp    L160
  nopl   0x0(%rax,%rax,1)
L17:
  movb   $0x56,(%rdx)
  sub    $0x5,%eax
  add    $0x1,%rdx
  jmp    L215
  nop
L42:
  cmp    $0x18f,%ebx
  jle    L129
  lea    0x2(%rcx),%rdi
  sub    $0x190,%ebx
  mov    $0x44,%eax
  jmp    L127
  nopl   0x0(%rax)
L224:
  cmp    $0x27,%ebx
  jle    L12
  lea    0x2(%rdi),%rdx
  sub    $0x28,%r13d
  mov    $0x4c,%eax
  jmp    L196
  nopl   0x0(%rax,%rax,1)
L45:
  mov    $0x5849,%ecx
  add    $0x2,%rdx
  mov    %cx,-0x2(%rdx)
  jmp    L84
  nopw   0x0(%rax,%rax,1)
L25:
  mov    $0x5649,%eax
  add    $0x2,%rdx
  mov    %ax,-0x2(%rdx)
  jmp    L84
  nopw   0x0(%rax,%rax,1)
L211:
  mov    %r12,%rcx
  jmp    L143
L139:
  mov    %rcx,%rdi
  jmp    L160
L134:
  mov    %rdi,%rdx
  jmp    L198
```

assistant: ```c
char *intToRoman(int num) {
  char *r = (char *)malloc(16 * sizeof(char));
  char *cr = r;
  int i;
  for (i = num / 1000; i > 0; --i)
    *cr++ = 'M';
  num %= 1000;
  if (num >= 900) {
    cr[0] = 'C';
    cr[1] = 'M';
    cr += 2;
    num -= 900;
  } else if (num >= 500) {
    *cr++ = 'D';
    num -= 500;
  } else if (num >= 400) {
    cr[0] = 'C';
    cr[1] = 'D';
    cr += 2;
    num -= 400;
  }
  for (i = num / 100; i > 0; --i)
    *cr++ = 'C';
  num %= 100;
  if (num >= 90) {
    cr[0] = 'X';
    cr[1] = 'C';
    cr += 2;
    num -= 90;
  } else if (num >= 50) {
    *cr++ = 'L';
    num -= 50;
  } else if (num >= 40) {
    cr[0] = 'X';
    cr[1] = 'L';
    cr += 2;
    num -= 40;
  }
  for (i = num / 10; i > 0; --i)
    *cr++ = 'X';
  num %= 10;
  if (9 == num) {
    cr[0] = 'I';
    cr[1] = 'X';
    cr += 2;
    num -= 9;
  } else if (num >= 5) {
    *cr++ = 'V';
    num -= 5;
  } else if (4 == num) {
    cr[0] = 'I';
    cr[1] = 'V';
    cr += 2;
    num -= 4;
  }
  for (i = num; i > 0; --i)
    *cr++ = 'I';
  *cr = 0;
  return r;
}
```