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

```asm
<split>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x50(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x22(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  cmpb   $0x0,-0x22(%rbp)
  jne    L77
  jmp    L522
L323:
  nop
L522:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x20,-0x23(%rbp)
  je     L323
  cmpb   $0x9,-0x23(%rbp)
  je     L323
  subq   $0x1,-0x18(%rbp)
  movl   $0x1,-0x1c(%rbp)
  lea    D9(%rip),%rax
  mov    %rax,-0x50(%rbp)
  movb   $0x20,-0x22(%rbp)
  jmp    L364
L77:
  movl   $0x0,-0x1c(%rbp)
L364:
  mov    -0x50(%rbp),%rax
  movzbl 0x1(%rax),%eax
  mov    %al,-0x21(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L236
  mov    $0x0,%eax
  jmp    L401
L236:
  cmpb   $0x0,-0x21(%rbp)
  jne    L164
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L481:
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  subl   $0x1,-0x20(%rbp)
  cmpl   $0x0,-0x20(%rbp)
  je     L68
  jmp    L250
L328:
  cmpb   $0x0,-0x23(%rbp)
  jne    L250
  mov    -0x44(%rbp),%eax
  sub    -0x20(%rbp),%eax
  jmp    L401
L250:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  jne    L328
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
  jmp    L481
L68:
  nop
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L152
L131:
  cmpb   $0x0,-0x23(%rbp)
  jne    L152
  mov    -0x20(%rbp),%eax
  jmp    L401
L152:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  jne    L131
  addl   $0x1,-0x20(%rbp)
  jmp    L152
L164:
  mov    -0x50(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L18
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L276:
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  subl   $0x1,-0x20(%rbp)
  jmp    L548
L504:
  cmpb   $0x0,-0x23(%rbp)
  jne    L548
  cmpl   $0x0,-0x1c(%rbp)
  je     L466
  mov    -0x10(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L466
  addl   $0x1,-0x20(%rbp)
L466:
  mov    -0x44(%rbp),%eax
  sub    -0x20(%rbp),%eax
  jmp    L401
L548:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L308
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  jne    L504
L308:
  cmpl   $0x0,-0x20(%rbp)
  je     L53
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
  jmp    L335
L509:
  nop
L335:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L509
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L509
  subq   $0x1,-0x18(%rbp)
  jmp    L276
L53:
  nop
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L55
L287:
  nop
L575:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L287
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L287
  subq   $0x1,-0x18(%rbp)
  addl   $0x1,-0x20(%rbp)
  jmp    L602
L595:
  nop
L602:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x0,-0x23(%rbp)
  je     L55
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L55
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  jne    L595
L55:
  cmpb   $0x0,-0x23(%rbp)
  jne    L575
  cmpl   $0x0,-0x1c(%rbp)
  je     L91
  subq   $0x1,-0x18(%rbp)
  jmp    L40
L389:
  nop
L40:
  subq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L389
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L389
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L91
  mov    -0x44(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x20(%rbp)
  jne    L29
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
L29:
  subl   $0x1,-0x20(%rbp)
L91:
  mov    -0x20(%rbp),%eax
  jmp    L401
L18:
  movl   $0x0,-0x20(%rbp)
L51:
  mov    -0x20(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jge    L409
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
L409:
  addl   $0x1,-0x20(%rbp)
L17:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x0,-0x23(%rbp)
  jne    L360
  mov    -0x20(%rbp),%eax
  jmp    L401
L360:
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L451
L480:
  nop
L451:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x22(%rbp)
  cmpb   $0x0,-0x22(%rbp)
  je     L486
  movzbl -0x22(%rbp),%eax
  cmp    -0x23(%rbp),%al
  jne    L480
L486:
  cmpb   $0x0,-0x22(%rbp)
  jne    L225
  jmp    L17
L225:
  nop
  mov    -0x20(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jge    L157
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
L157:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L612
L588:
  nop
L612:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x22(%rbp)
  cmpb   $0x0,-0x22(%rbp)
  je     L514
  movzbl -0x22(%rbp),%eax
  cmp    -0x23(%rbp),%al
  jne    L588
L514:
  cmpb   $0x0,-0x22(%rbp)
  je     L258
  jmp    L157
L258:
  nop
  subq   $0x1,-0x18(%rbp)
  jmp    L51
L401:
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D9
type_guessed: string

tool: D9:  	

assistant: ```c
int split(string, fields, nfields, sep)
char *string;
char *fields[];
int nfields;
char *sep;
{
  char *p = string;
  char c;
  char sepc = sep[0];
  char sepc2;
  int fn;
  char **fp = fields;
  char *sepp;
  int trimtrail;
  if (sepc == '\0') {
    while ((c = *p++) == ' ' || c == '\t')
      continue;
    p--;
    trimtrail = 1;
    sep = " \t";
    sepc = ' ';
  } else
    trimtrail = 0;
  sepc2 = sep[1];
  if (*p == '\0')
    return (0);
  if (sepc2 == '\0') {
    fn = nfields;
    for (;;) {
      *fp++ = p;
      fn--;
      if (fn == 0)
        break;
      while ((c = *p++) != sepc)
        if (c == '\0')
          return (nfields - fn);
      *(p - 1) = '\0';
    }
    fn = nfields;
    for (;;) {
      while ((c = *p++) != sepc)
        if (c == '\0')
          return (fn);
      fn++;
    }
  }
  if (sep[2] == '\0') {
    fn = nfields;
    for (;;) {
      *fp++ = p;
      fn--;
      while ((c = *p++) != sepc && c != sepc2)
        if (c == '\0') {
          if (trimtrail && **(fp - 1) == '\0')
            fn++;
          return (nfields - fn);
        }
      if (fn == 0)
        break;
      *(p - 1) = '\0';
      while ((c = *p++) == sepc || c == sepc2)
        continue;
      p--;
    }
    fn = nfields;
    while (c != '\0') {
      while ((c = *p++) == sepc || c == sepc2)
        continue;
      p--;
      fn++;
      while ((c = *p++) != '\0' && c != sepc && c != sepc2)
        continue;
    }
    if (trimtrail) {
      p--;
      while ((c = *--p) == sepc || c == sepc2)
        continue;
      p++;
      if (*p != '\0') {
        if (fn == nfields + 1)
          *p = '\0';
        fn--;
      }
    }
    return (fn);
  }
  fn = 0;
  for (;;) {
    if (fn < nfields)
      *fp++ = p;
    fn++;
    for (;;) {
      c = *p++;
      if (c == '\0')
        return (fn);
      sepp = sep;
      while ((sepc = *sepp++) != '\0' && sepc != c)
        continue;
      if (sepc != '\0')
        break;
    }
    if (fn < nfields)
      *(p - 1) = '\0';
    for (;;) {
      c = *p++;
      sepp = sep;
      while ((sepc = *sepp++) != '\0' && sepc != c)
        continue;
      if (sepc == '\0')
        break;
    }
    p--;
  }
}
```