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

```asm
<String_split>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %esi,%eax
  mov    %rdx,-0x68(%rbp)
  mov    %al,-0x5c(%rbp)
  mov    -0x68(%rbp),%rax
  movl   $0x0,(%rax)
  movl   $0xa,-0x3c(%rbp)
  mov    -0x3c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x30(%rbp)
  movl   $0x0,-0x44(%rbp)
  mov    -0x3c(%rbp),%eax
  mov    %eax,-0x40(%rbp)
  jmp    L51
L38:
  mov    -0x28(%rbp),%rax
  sub    -0x58(%rbp),%rax
  mov    %eax,-0x38(%rbp)
  mov    -0x38(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%edx
  mov    -0x58(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x38(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%rax
  mov    %rax,(%rdx)
  addl   $0x1,-0x44(%rbp)
  mov    -0x44(%rbp),%eax
  cmp    -0x40(%rbp),%eax
  jne    L15
  mov    -0x3c(%rbp),%eax
  add    %eax,-0x40(%rbp)
  mov    -0x40(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L75
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x30(%rbp)
  jmp    L15
L75:
  mov    -0x3c(%rbp),%eax
  sub    %eax,-0x40(%rbp)
  jmp    L35
L15:
  mov    -0x38(%rbp),%eax
  cltq
  add    $0x1,%rax
  add    %rax,-0x58(%rbp)
L51:
  movsbl -0x5c(%rbp),%edx
  mov    -0x58(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L38
L35:
  mov    -0x58(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L1
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x34(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x58(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%rax
  mov    %rax,(%rdx)
  addl   $0x1,-0x44(%rbp)
L1:
  mov    -0x44(%rbp),%eax
  add    $0x1,%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L44
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x30(%rbp)
L44:
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    -0x68(%rbp),%rax
  mov    -0x44(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x30(%rbp),%rax
  leave
  ret
```

assistant: ```c
char **String_split(const char *s, char sep, int *n) {
  *n = 0;
  const int rate = 10;
  char **out = (char **)malloc(sizeof(char *) * rate);
  int ctr = 0;
  int blocks = rate;
  char *where;
  while ((where = strchr(s, sep)) != NULL) {
    int size = where - s;
    char *token = (char *)malloc(size + 1);
    strncpy(token, s, size);
    token[size] = '\0';
    out[ctr] = token;
    ctr++;
    if (ctr == blocks) {
      blocks += rate;
      char **newOut = (char **)realloc(out, sizeof(char *) * blocks);
      if (newOut) {
        out = newOut;
      } else {
        blocks -= rate;
        break;
      }
    }
    s += size + 1;
  }
  if (s[0] != '\0') {
    int size = strlen(s);
    char *token = (char *)malloc(size + 1);
    strncpy(token, s, size + 1);
    out[ctr] = token;
    ctr++;
  }
  char **newOut = realloc(out, sizeof(char *) * (ctr + 1));
  if (newOut) {
    out = newOut;
  }
  out[ctr] = NULL;
  *n = ctr;
  return out;
}
```