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

```asm
<fullJustify>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  mov    $0x320,%edi
  push   %rbp
  movslq %edx,%rbp
  push   %rbx
  lea    0x1(%rbp),%r13d
  mov    %esi,%ebx
  sub    $0x38,%rsp
  mov    %rcx,0x20(%rsp)
  call   <malloc@plt>
  imul   $0x64,%r13d,%edi
  mov    %rax,%r14
  mov    %rax,0x10(%rsp)
  call   <malloc@plt>
  movslq %r13d,%rcx
  mov    %r14,%rdx
  lea    0x320(%r14),%rsi
  nopl   0x0(%rax,%rax,1)
L23:
  mov    %rax,(%rdx)
  add    $0x8,%rdx
  add    %rcx,%rax
  cmp    %rsi,%rdx
  jne    L23
  lea    0x0(,%rbx,4),%edi
  movslq %ebx,%r15
  call   <malloc@plt>
  mov    %rax,%r13
  test   %ebx,%ebx
  jle    L139
  xor    %ebx,%ebx
  nopl   0x0(%rax,%rax,1)
L38:
  mov    (%r12,%rbx,8),%rdi
  call   <strlen@plt>
  mov    %eax,0x0(%r13,%rbx,4)
  add    $0x1,%rbx
  cmp    %rbx,%r15
  jne    L38
  xor    %eax,%eax
  mov    %r15,0x8(%rsp)
  xor    %r14d,%r14d
  mov    %r13,%r15
  xor    %edi,%edi
  mov    %r12,%r13
  xor    %r8d,%r8d
  xor    %esi,%esi
  xor    %edx,%edx
  mov    %eax,%r12d
  jmp    L168
  nopl   (%rax)
L135:
  cmp    $0x1,%edx
  je     L93
  mov    %ebp,%eax
  sub    %edi,%eax
  lea    -0x1(%rdx),%edi
  cltd
  idiv   %edi
  mov    %eax,%r9d
L196:
  mov    0x10(%rsp),%rdi
  movslq %r12d,%rax
  sub    $0x8,%rsp
  mov    %r15,%rcx
  add    $0x1,%r12d
  mov    (%rdi,%rax,8),%rdi
  push   %rbx
  push   %r8
  mov    %ebp,%r8d
  push   %rdx
  mov    %r13,%rdx
  call   <line_fill@plt>
  mov    (%r15,%r14,4),%edi
  add    $0x20,%rsp
  mov    %ebx,%r8d
  mov    $0x1,%edx
  lea    0x1(%rdi),%esi
L46:
  add    $0x1,%r14
  cmp    %r14,0x8(%rsp)
  je     L197
L168:
  mov    (%r15,%r14,4),%eax
  mov    %r14d,%ebx
  lea    0x1(%r14),%r11d
  lea    (%rax,%rsi,1),%r9d
  cmp    %ebp,%r9d
  jg     L135
  add    %eax,%edi
  cmp    %ebp,%r9d
  je     L147
  lea    0x1(%rax,%rsi,1),%esi
  add    $0x1,%edx
  add    $0x1,%r14
  cmp    %r14,0x8(%rsp)
  jne    L168
L197:
  movslq %r12d,%rax
  mov    %r13,%r12
  mov    %r15,%r13
  mov    %eax,0x8(%rsp)
  test   %edx,%edx
  je     L158
  mov    0x10(%rsp),%rbx
  lea    (%rbx,%rax,8),%r14
  lea    (%rdx,%r8,1),%eax
  mov    (%r14),%r15
  cmp    %r8d,%eax
  jle    L127
  lea    -0x1(%rax),%edi
  mov    %r14,0x18(%rsp)
  movslq %r8d,%rbx
  mov    %r12,%r14
  mov    %ebp,0x2c(%rsp)
  mov    %eax,%r12d
  mov    %r13,%rbp
  mov    %edi,%r13d
  nopl   0x0(%rax)
L103:
  mov    0x0(%rbp,%rbx,4),%edx
  mov    (%r14,%rbx,8),%rsi
  mov    %r15,%rdi
  call   <memcpy@plt>
  movslq 0x0(%rbp,%rbx,4),%rax
  add    %rax,%r15
  cmp    %ebx,%r13d
  jle    L125
  movb   $0x20,(%r15)
  add    $0x1,%r15
L125:
  add    $0x1,%rbx
  cmp    %ebx,%r12d
  jg     L103
  mov    0x18(%rsp),%r14
  movslq 0x2c(%rsp),%rbp
  mov    %r15,%rax
  sub    (%r14),%rax
L30:
  cmp    %rax,%rbp
  jle    L137
  nopl   0x0(%rax,%rax,1)
L24:
  add    $0x1,%r15
  movb   $0x20,-0x1(%r15)
  mov    %r15,%rax
  sub    (%r14),%rax
  cmp    %rbp,%rax
  jl     L24
L137:
  addl   $0x1,0x8(%rsp)
  movb   $0x0,(%r15)
L158:
  mov    0x20(%rsp),%rax
  mov    0x8(%rsp),%ebx
  mov    %ebx,(%rax)
  mov    0x10(%rsp),%rax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L93:
  xor    %r9d,%r9d
  xor    %edx,%edx
  jmp    L196
  nopw   0x0(%rax,%rax,1)
L147:
  xor    %r9d,%r9d
  test   %edx,%edx
  je     L163
  mov    %ebp,%eax
  sub    %edi,%eax
  mov    %edx,%edi
  cltd
  idiv   %edi
  mov    %eax,%r9d
L163:
  mov    0x10(%rsp),%rdi
  movslq %r12d,%rax
  sub    $0x8,%rsp
  mov    %r15,%rcx
  add    $0x1,%r12d
  mov    (%rdi,%rax,8),%rdi
  push   %r11
  mov    %r11d,0x28(%rsp)
  push   %r8
  mov    %ebp,%r8d
  push   %rdx
  mov    %r13,%rdx
  call   <line_fill@plt>
  add    $0x20,%rsp
  xor    %edi,%edi
  xor    %esi,%esi
  xor    %edx,%edx
  mov    0x18(%rsp),%r8d
  jmp    L46
L139:
  movl   $0x0,0x8(%rsp)
  jmp    L158
L127:
  xor    %eax,%eax
  jmp    L30
```

assistant: ```c
char **fullJustify(char **words, int wordsSize, int maxWidth, int *returnSize) {
  int i, j, k, cap = 100, count = 0;
  char **lines = malloc(cap * sizeof(char *));
  char *buf = malloc(cap * (maxWidth + 1));
  for (i = 0; i < cap; i++) {
    lines[i] = buf + i * (maxWidth + 1);
  }
  int *word_lens = malloc(wordsSize * sizeof(int));
  for (i = 0; i < wordsSize; i++) {
    word_lens[i] = strlen(words[i]);
  }
  int wc = 0;
  int len = 0;
  int start = 0;
  int chars = 0;
  for (i = 0, j = 0; i < wordsSize; i++) {
    if (len + word_lens[i] > maxWidth) {
      int even_spaces = wc == 1 ? 0 : (maxWidth - chars) / (wc - 1);
      int remain_spaces = wc == 1 ? 0 : (maxWidth - chars) % (wc - 1);
      line_fill(lines[count], len, words, word_lens, maxWidth, even_spaces, remain_spaces, start, i);
      count++;
      wc = 1;
      len = word_lens[i] + 1;
      chars = word_lens[i];
      start = i;
    } else if (len + word_lens[i] == maxWidth) {
      chars += word_lens[i];
      int even_spaces = wc == 0 ? 0 : (maxWidth - chars) / wc;
      int remain_spaces = wc == 0 ? 0 : (maxWidth - chars) % wc;
      line_fill(lines[count], len, words, word_lens, maxWidth, even_spaces, remain_spaces, start, i + 1);
      count++;
      wc = 0;
      len = 0;
      chars = 0;
      start = i + 1;
    } else {
      chars += word_lens[i];
      len += word_lens[i] + 1;
      wc++;
    }
  }
  if (wc > 0) {
    char *p = lines[count];
    for (i = start; i < start + wc; i++) {
      memcpy(p, words[i], word_lens[i]);
      p += word_lens[i];
      if (i < start + wc - 1) {
        *p++ = ' ';
      }
    }
    while (p - lines[count] < maxWidth) {
      *p++ = ' ';
    }
    *p++ = '\0';
    count++;
  }
  *returnSize = count;
  return lines;
}
```