user: 请从给定的汇编指令推导出C源代码:

```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    L174
  jmp    L582
L458:
  nop
L582:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x20,-0x23(%rbp)
  je     L458
  cmpb   $0x9,-0x23(%rbp)
  je     L458
  subq   $0x1,-0x18(%rbp)
  movl   $0x1,-0x1c(%rbp)
  lea    D5(%rip),%rax
  mov    %rax,-0x50(%rbp)
  movb   $0x20,-0x22(%rbp)
  jmp    L105
L174:
  movl   $0x0,-0x1c(%rbp)
L105:
  mov    -0x50(%rbp),%rax
  movzbl 0x1(%rax),%eax
  mov    %al,-0x21(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L592
  mov    $0x0,%eax
  jmp    L605
L592:
  cmpb   $0x0,-0x21(%rbp)
  jne    L271
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L512:
  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     L320
  jmp    L118
L575:
  cmpb   $0x0,-0x23(%rbp)
  jne    L118
  mov    -0x44(%rbp),%eax
  sub    -0x20(%rbp),%eax
  jmp    L605
L118:
  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    L575
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
  jmp    L512
L320:
  nop
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L114
L270:
  cmpb   $0x0,-0x23(%rbp)
  jne    L114
  mov    -0x20(%rbp),%eax
  jmp    L605
L114:
  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    L270
  addl   $0x1,-0x20(%rbp)
  jmp    L114
L271:
  mov    -0x50(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L489
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L315:
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  subl   $0x1,-0x20(%rbp)
  jmp    L214
L138:
  cmpb   $0x0,-0x23(%rbp)
  jne    L214
  cmpl   $0x0,-0x1c(%rbp)
  je     L178
  mov    -0x10(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L178
  addl   $0x1,-0x20(%rbp)
L178:
  mov    -0x44(%rbp),%eax
  sub    -0x20(%rbp),%eax
  jmp    L605
L214:
  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     L234
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  jne    L138
L234:
  cmpl   $0x0,-0x20(%rbp)
  je     L94
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
  jmp    L223
L499:
  nop
L223:
  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     L499
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L499
  subq   $0x1,-0x18(%rbp)
  jmp    L315
L94:
  nop
  mov    -0x44(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L60
L384:
  nop
L519:
  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     L384
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L384
  subq   $0x1,-0x18(%rbp)
  addl   $0x1,-0x20(%rbp)
  jmp    L359
L75:
  nop
L359:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x0,-0x23(%rbp)
  je     L60
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L60
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  jne    L75
L60:
  cmpb   $0x0,-0x23(%rbp)
  jne    L519
  cmpl   $0x0,-0x1c(%rbp)
  je     L356
  subq   $0x1,-0x18(%rbp)
  jmp    L216
L63:
  nop
L216:
  subq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  movzbl -0x23(%rbp),%eax
  cmp    -0x22(%rbp),%al
  je     L63
  movzbl -0x23(%rbp),%eax
  cmp    -0x21(%rbp),%al
  je     L63
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L356
  mov    -0x44(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x20(%rbp)
  jne    L548
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
L548:
  subl   $0x1,-0x20(%rbp)
L356:
  mov    -0x20(%rbp),%eax
  jmp    L605
L489:
  movl   $0x0,-0x20(%rbp)
L319:
  mov    -0x20(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jge    L587
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
L587:
  addl   $0x1,-0x20(%rbp)
L514:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x23(%rbp)
  cmpb   $0x0,-0x23(%rbp)
  jne    L220
  mov    -0x20(%rbp),%eax
  jmp    L605
L220:
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L417
L277:
  nop
L417:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x22(%rbp)
  cmpb   $0x0,-0x22(%rbp)
  je     L88
  movzbl -0x22(%rbp),%eax
  cmp    -0x23(%rbp),%al
  jne    L277
L88:
  cmpb   $0x0,-0x22(%rbp)
  jne    L125
  jmp    L514
L125:
  nop
  mov    -0x20(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jge    L24
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
L24:
  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    L164
L555:
  nop
L164:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x22(%rbp)
  cmpb   $0x0,-0x22(%rbp)
  je     L464
  movzbl -0x22(%rbp),%eax
  cmp    -0x23(%rbp),%al
  jne    L555
L464:
  cmpb   $0x0,-0x22(%rbp)
  je     L525
  jmp    L24
L525:
  nop
  subq   $0x1,-0x18(%rbp)
  jmp    L319
L605:
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D5
type_guessed: string

tool: D5:  	

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 = (char *)" \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--;
  }
}
```