user: Demonstrate the C code that generates the assembly output below:

```asm
<get_next_number>:
  endbr64
  mov    %rdi,%rcx
  mov    %rsi,%r8
  mov    %rdx,%r9
  movzbl (%rdi),%edx
  cmp    $0x20,%dl
  je     L404
  cmp    $0x9,%dl
  jne    L492
L404:
  mov    $0x1,%eax
L9:
  mov    %eax,%esi
  movzbl (%rcx,%rax,1),%edx
  mov    %rax,%rdi
  add    $0x1,%rax
  cmp    $0x20,%dl
  je     L9
  cmp    $0x9,%dl
  je     L9
L256:
  mov    $0x0,%r10d
  test   %dl,%dl
  je     L106
  cmp    $0x24,%dl
  je     L169
  cmp    $0x30,%dl
  je     L228
  cmp    $0x25,%dl
  je     L522
  lea    -0x30(%rdx),%eax
  cmp    $0x9,%al
  jbe    L44
  and    $0xffffffdf,%edx
  lea    -0x41(%rdx),%eax
  mov    $0x0,%r10d
  cmp    $0x5,%al
  ja     L106
L44:
  movslq %esi,%rdi
  movzbl (%rcx,%rdi,1),%edx
  lea    -0x30(%rdx),%eax
  cmp    $0x9,%al
  jbe    L102
  lea    -0x41(%rdx),%eax
  cmp    $0x27,%al
  ja     L383
  movabs $0xbf000000bf,%rdx
  bt     %rax,%rdx
  jb     L365
  mov    $0x0,%r10d
  jmp    L106
L492:
  mov    $0x0,%esi
  mov    $0x0,%edi
  jmp    L256
L228:
  movzbl 0x1(%rcx,%rdi,1),%eax
  and    $0xffffffdf,%eax
  cmp    $0x58,%al
  je     L578
  movzbl 0x1(%rcx,%rdi,1),%eax
  and    $0xffffffdf,%eax
  cmp    $0x42,%al
  jne    L44
  add    $0x2,%esi
L119:
  movslq %esi,%rax
  movzbl (%rcx,%rax,1),%edx
  lea    0x1(%rcx,%rax,1),%rcx
  mov    $0x0,%eax
  test   %dl,%dl
  je     L318
L64:
  lea    -0x30(%rdx),%edi
  cmp    $0x1,%dil
  ja     L363
  movsbl %dl,%edx
  lea    -0x30(%rdx,%rax,2),%eax
  add    $0x1,%esi
  add    $0x1,%rcx
  movzbl -0x1(%rcx),%edx
  test   %dl,%dl
  jne    L64
L318:
  mov    %eax,(%r8)
  mov    $0x1,%r10d
  test   %r9,%r9
  je     L106
  add    %esi,(%r9)
  jmp    L106
L169:
  lea    0x1(%rsi),%edi
  jmp    L438
L578:
  lea    0x2(%rsi),%edi
L438:
  movslq %edi,%rdi
  mov    $0x0,%eax
  jmp    L347
L159:
  cmp    $0x46,%dl
  jg     L34
  cmp    $0x40,%dl
  jg     L506
  cmp    $0x20,%dl
  ja     L408
  movabs $0x100000201,%rcx
  bt     %rdx,%rcx
  jb     L318
  mov    $0x0,%r10d
L106:
  mov    %r10d,%eax
  ret
L34:
  lea    -0x61(%rdx),%esi
  cmp    $0x5,%sil
  ja     L618
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x57(%rax,%rdx,1),%eax
L336:
  add    $0x1,%rdi
L347:
  mov    %edi,%esi
  movzbl (%rcx,%rdi,1),%edx
  lea    -0x30(%rdx),%r10d
  cmp    $0x9,%r10b
  ja     L159
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x30(%rax,%rdx,1),%eax
  jmp    L336
L506:
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x37(%rax,%rdx,1),%eax
  jmp    L336
L522:
  add    $0x1,%esi
  jmp    L119
L363:
  cmp    $0x20,%dl
  je     L318
  mov    $0x0,%r10d
  cmp    $0x9,%dl
  jne    L106
  jmp    L318
L102:
  lea    0x1(%rcx,%rdi,1),%r10
L1:
  movzbl (%r10),%eax
  add    $0x1,%r10
  lea    -0x30(%rax),%r11d
  cmp    $0x9,%r11b
  jbe    L1
  sub    $0x41,%eax
  cmp    $0x27,%al
  ja     L110
  movabs $0xbf000000bf,%r10
  bt     %rax,%r10
  jb     L206
L110:
  lea    0x1(%rsi),%edi
  movslq %edi,%rdi
  mov    $0x0,%eax
L96:
  lea    (%rax,%rax,4),%eax
  movsbl %dl,%edx
  lea    -0x30(%rdx,%rax,2),%eax
  mov    %edi,%esi
  movzbl (%rcx,%rdi,1),%edx
  add    $0x1,%rdi
  lea    -0x30(%rdx),%r10d
  cmp    $0x9,%r10b
  jbe    L96
L111:
  test   $0xdf,%dl
  je     L318
  cmp    $0x9,%dl
  je     L318
  mov    $0x0,%r10d
  jmp    L106
L206:
  mov    $0x0,%eax
  jmp    L289
L365:
  mov    $0x0,%eax
  jmp    L289
L593:
  cmp    $0x46,%dl
  jg     L612
  cmp    $0x40,%dl
  jg     L330
  mov    $0x0,%r10d
  cmp    $0x20,%dl
  ja     L106
  movabs $0x100000201,%rcx
  bt     %rdx,%rcx
  jae    L106
  jmp    L318
L612:
  cmp    $0x66,%dl
  jg     L332
  cmp    $0x60,%dl
  jle    L101
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x57(%rax,%rdx,1),%eax
L12:
  add    $0x1,%rdi
L289:
  mov    %edi,%esi
  movzbl (%rcx,%rdi,1),%edx
  lea    -0x30(%rdx),%r10d
  cmp    $0x9,%r10b
  ja     L593
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x30(%rax,%rdx,1),%eax
  jmp    L12
L101:
  mov    $0x0,%r10d
  cmp    $0x48,%dl
  jne    L106
  jmp    L318
L332:
  mov    $0x0,%r10d
  cmp    $0x68,%dl
  jne    L106
  jmp    L318
L330:
  shl    $0x4,%eax
  movsbl %dl,%edx
  lea    -0x37(%rax,%rdx,1),%eax
  jmp    L12
L383:
  mov    $0x0,%eax
  jmp    L111
L408:
  mov    $0x0,%r10d
  jmp    L106
L618:
  mov    $0x0,%r10d
  jmp    L106
```

assistant: ```c
int get_next_number(char *in, int *out, int *pos) {
  int i, o, n;
  for (i = 0; in[i] == ' ' || in[i] == 0x09; i++)
    ;
  if (in[i] == 0)
    return 0;
  if (in[i] == '$' || (in[i] == '0' && (in[i + 1] == 'x' || in[i + 1] == 'X'))) {
    if (in[i] == '$')
      i++;
    else
      i += 2;
    o = 0;
    while (1) {
      if (in[i] >= '0' && in[i] <= '9')
        o = (o << 4) + in[i] - '0';
      else if (in[i] >= 'a' && in[i] <= 'f')
        o = (o << 4) + in[i] - 'a' + 0xA;
      else if (in[i] >= 'A' && in[i] <= 'F')
        o = (o << 4) + in[i] - 'A' + 0xA;
      else if (in[i] == ' ' || in[i] == 0x09 || in[i] == 0)
        break;
      else
        return 0;
      i++;
    }
  } else if (in[i] == '%' || (in[i] == '0' && (in[i + 1] == 'b' || in[i + 1] == 'B'))) {
    if (in[i] == '%')
      i++;
    else
      i += 2;
    for (o = 0; in[i] != 0; i++) {
      if (in[i] == '0' || in[i] == '1')
        o = (o << 1) + (in[i] - '0');
      else if (in[i] == ' ' || in[i] == 0x09 || in[i] == 0)
        break;
      else
        return 0;
    }
  } else if ((in[i] >= '0' && in[i] <= '9') || (in[i] >= 'a' && in[i] <= 'f') || (in[i] >= 'A' && in[i] <= 'F')) {
    n = 0;
    for (o = 0; 1; o++) {
      if (in[i + o] >= '0' && in[i + o] <= '9')
        continue;
      if (in[i + o] >= 'a' && in[i + o] <= 'f') {
        n = 1;
        break;
      }
      if (in[i + o] >= 'A' && in[i + o] <= 'F') {
        n = 1;
        break;
      }
      if (in[i + o] == 'h' || in[i + o] == 'H') {
        n = 1;
        break;
      }
      break;
    }
    if (n == 1) {
      o = 0;
      while (1) {
        if (in[i] >= '0' && in[i] <= '9')
          o = (o << 4) + in[i] - '0';
        else if (in[i] >= 'a' && in[i] <= 'f')
          o = (o << 4) + in[i] - 'a' + 0xA;
        else if (in[i] >= 'A' && in[i] <= 'F')
          o = (o << 4) + in[i] - 'A' + 0xA;
        else if (in[i] == 'h' || in[i] == 'H')
          break;
        else if (in[i] == ' ' || in[i] == 0x09 || in[i] == 0)
          break;
        else
          return 0;
        i++;
      }
    } else {
      for (o = 0; in[i] >= '0' && in[i] <= '9'; i++)
        o = (o * 10) + in[i] - '0';
      if (!(in[i] == ' ' || in[i] == 0x09 || in[i] == 0))
        return 0;
    }
  } else
    return 0;
  *out = o;
  if (pos != NULL)
    *pos += i;
  return 1;
}
```