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

```asm
<get_long>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r13
  mov    %rsi,%r12
  movl   $0x0,(%rsi)
  movzbl (%rdi),%eax
  cmp    $0x2d,%al
  je     L261
  mov    $0x0,%r14d
  cmp    $0x2b,%al
  je     L49
L367:
  movsbl 0x0(%r13),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L223
  mov    %r13,%rbx
L526:
  add    $0x1,%rbx
  movsbl (%rbx),%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  jne    L526
  movsbl (%rbx),%edi
  call   <upcase@plt>
  cmp    $0x48,%al
  je     L59
L223:
  cmpb   $0x23,0x0(%r13)
  je     L226
L162:
  cmpb   $0x30,0x0(%r13)
  je     L64
L214:
  mov    $0x3,%edx
  lea    D47(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L215
  mov    $0x0,%r15d
  movb   $0x1,0xf(%rsp)
  mov    $0x3,%eax
  jmp    L2
L261:
  add    $0x1,%r13
  mov    $0x1,%r14d
  jmp    L367
L49:
  add    $0x1,%r13
  jmp    L367
L226:
  movsbl 0x1(%r13),%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L162
  mov    $0x0,%r15d
  movb   $0x0,0xf(%rsp)
  mov    $0x1,%eax
L2:
  add    %rax,%r13
  mov    %r13,%rbp
  jmp    L65
L64:
  movsbl 0x1(%r13),%edi
  call   <upcase@plt>
  cmp    $0x58,%al
  jne    L214
  mov    $0x0,%r15d
  movb   $0x0,0xf(%rsp)
  mov    $0x2,%eax
  jmp    L2
L59:
  mov    $0x1,%r15d
  movb   $0x0,0xf(%rsp)
  mov    $0x0,%eax
  jmp    L2
L455:
  mov    (%r12),%ebx
  shl    $0x4,%ebx
  movsbl 0x0(%rbp),%edi
  call   <xtoi@plt>
  or     %eax,%ebx
  mov    %ebx,(%r12)
  add    $0x1,%rbp
L65:
  movsbl 0x0(%rbp),%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  jne    L455
  mov    %rbp,%rax
  sub    %r13,%rax
  cmp    $0x8,%rax
  jg     L109
  test   %r15b,%r15b
  je     L375
  add    $0x1,%rbp
L52:
  test   %r14b,%r14b
  je     L505
  negl   (%r12)
L505:
  mov    %rbp,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L109:
  mov    %r13,%rsi
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L375:
  cmpb   $0x0,0xf(%rsp)
  je     L52
  cmpb   $0x23,0x0(%rbp)
  jne    L207
  add    $0x1,%rbp
  jmp    L52
L207:
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L215:
  movzbl 0x0(%r13),%eax
  cmp    $0x30,%al
  je     L6
  cmp    $0x38,%al
  je     L442
  mov    $0x0,%ecx
  mov    $0x1,%esi
  cmp    $0x40,%al
  jne    L30
L180:
  add    %r13,%rsi
  movzbl (%rsi),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x1,%dl
  ja     L241
  mov    %rsi,%rbp
L238:
  mov    (%r12),%edx
  add    %edx,%edx
  movsbl %al,%eax
  sub    $0x30,%eax
  or     %edx,%eax
  mov    %eax,(%r12)
  add    $0x1,%rbp
  movzbl 0x0(%rbp),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x1,%dl
  jbe    L238
  mov    %rbp,%rdx
  sub    %rsi,%rdx
  cmp    $0x20,%rdx
  jg     L464
L481:
  test   %cl,%cl
  je     L52
  add    $0x1,%rbp
  cmp    $0x23,%al
  je     L52
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L442:
  mov    $0x1,%ecx
  mov    $0x2,%esi
  cmpb   $0x23,0x1(%r13)
  je     L254
L386:
  movsbl %al,%edi
  call   <isdigit@plt>
  mov    %r13,%rbp
  test   %rax,%rax
  jne    L376
  mov    $0x0,%ebp
  jmp    L505
L6:
  mov    $0x0,%ecx
  mov    $0x1,%esi
L254:
  add    %r13,%rsi
  movzbl (%rsi),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x7,%dl
  ja     L231
  mov    %rsi,%rbp
L523:
  mov    (%r12),%edx
  shl    $0x3,%edx
  movsbl %al,%eax
  sub    $0x30,%eax
  or     %edx,%eax
  mov    %eax,(%r12)
  add    $0x1,%rbp
  movzbl 0x0(%rbp),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x7,%dl
  jbe    L523
  mov    %rbp,%rdx
  sub    %rsi,%rdx
  cmp    $0xb,%rdx
  jg     L301
L243:
  test   %cl,%cl
  je     L52
  add    $0x1,%rbp
  cmp    $0x23,%al
  je     L52
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L301:
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L231:
  mov    %rsi,%rbp
  jmp    L243
L30:
  cmp    $0x32,%al
  jne    L386
  cmpb   $0x23,0x1(%r13)
  jne    L386
  mov    $0x1,%ecx
  mov    $0x2,%esi
  jmp    L180
L464:
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
L241:
  mov    %rsi,%rbp
  jmp    L481
L435:
  mov    (%r12),%eax
  lea    (%rax,%rax,4),%edx
  movsbl 0x0(%rbp),%eax
  lea    -0x30(%rax,%rdx,2),%eax
  mov    %eax,(%r12)
  add    $0x1,%rbp
L376:
  movsbl 0x0(%rbp),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L435
  mov    %rbp,%rax
  sub    %r13,%rax
  cmp    $0xa,%rax
  jle    L52
  mov    %r13,%rsi
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <error@plt>
  mov    $0x0,%ebp
  jmp    L505
```

tool_calls: name: read_data
arguments: data_label: D47
data_type: string
name: read_data
arguments: data_label: D52
data_type: string
name: read_data
arguments: data_label: D3
data_type: string

tool: D47: 16#

tool: D52: get_long -- number at '%s' too large

tool: D3: get_long -- expecting '#' at end of number

assistant: ```c
char *get_long(char *s, int *outnum) {
  char is_neg = 0, intel = 0, c_lang = 0, tld = 0;
  char hash_hex = 0;
  char *start;
  *outnum = 0;
  if (*s == '-') {
    is_neg = (!0);
    ++s;
  } else if (*s == '+')
    ++s;
  if (isdigit(*s)) {
    char *p = s;
    while (isxdigit(*++p))
      ;
    if (upcase(*p) == 'H')
      intel = (!0);
  }
  if (intel || (hash_hex = (*s == '#' && isxdigit(*(s + 1)))) || (c_lang = (*s == '0' && upcase(*(s + 1)) == 'X')) || (tld = strncmp(s, "16#", 3) == 0)) {
    s += hash_hex ? 1 : c_lang ? 2 : tld ? 3 : 0;
    start = s;
    while (isxdigit(*s)) {
      *outnum = (*outnum << 4) | xtoi(*s);
      ++s;
    }
    if (s - start > 8) {
      error("get_long -- number at '%s' too large", start);
      return NULL;
    }
    if (intel)
      s++;
    else if (tld) {
      if (*s != '#') {
        error("get_long -- expecting '#' at end of number");
        return NULL;
      }
      s++;
    }
  } else if (*s == '0' || (tld = (*s == '8' && *(s + 1) == '#'))) {
    s += tld ? 2 : 1;
    start = s;
    while (*s >= '0' && *s <= '7') {
      *outnum = (*outnum << 3) | (*s - '0');
      ++s;
    }
    if (s - start > 11) {
      error("get_long -- number at '%s' too large", start);
      return NULL;
    }
    if (tld) {
      if (*s != '#') {
        error("get_long -- expecting '#' at end of number");
        return NULL;
      }
      ++s;
    }
  } else if (*s == '@' || (tld = (*s == '2' && *(s + 1) == '#'))) {
    s += (tld ? 2 : 1);
    start = s;
    while (*s == '0' || *s == '1') {
      *outnum = (*outnum << 1) | (*s - '0');
      ++s;
    }
    if (s - start > 32) {
      error("get_long -- number at '%s' too large", start);
      return NULL;
    }
    if (tld) {
      if (*s != '#') {
        error("get_long -- expecting '#' at end of number");
        return NULL;
      }
      ++s;
    }
  } else if (isdigit(*s)) {
    start = s;
    while (isdigit(*s)) {
      *outnum = (*outnum * 10) + ((*s) - '0');
      ++s;
    }
    if (s - start > 10) {
      error("get_long -- number at '%s' too large", start);
      return NULL;
    }
  } else
    return NULL;
  if (is_neg)
    *outnum = -*outnum;
  return s;
}
```