user: Converte this assembly snippet into its equivalent C code:

```asm
<guess_by_file>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  movslq %edi,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rbx,-0x48(%rbp)
  test   %rbx,%rbx
  je     L24
  mov    %rsi,%r12
  mov    %rsi,%r14
  lea    (%rsi,%rbx,8),%r15
  xchg   %ax,%ax
L15:
  mov    (%r14),%rdi
  add    $0x8,%r14
  call   <strlen@plt>
  add    %rax,%rbx
  cmp    %r14,%r15
  jne    L15
  lea    0x17(%rbx),%rax
  mov    %rsp,%rcx
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L67
L61:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L61
L67:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L13
L76:
  lea    0xf(%rsp),%r10
  xor    %r13d,%r13d
  xor    %r15d,%r15d
  and    $0xfffffffffffffff0,%r10
  mov    %r10,-0x50(%rbp)
  mov    %r10,%r14
  nopl   (%rax)
L85:
  mov    (%r12,%r13,8),%rcx
  lea    (%r14,%r15,1),%rdi
  lea    D11(%rip),%rdx
  mov    %rbx,%rsi
  call   <snprintf@plt>
  mov    (%r12,%r13,8),%rdi
  add    $0x1,%r13
  call   <strlen@plt>
  add    %r15,%rax
  movb   $0x20,(%r14,%rax,1)
  lea    0x1(%rax),%r15
  cmp    %r13,-0x48(%rbp)
  jne    L85
  sub    $0x1,%rbx
L54:
  mov    -0x50(%rbp),%rdi
  lea    D3(%rip),%rsi
  mov    $0x1,%r13d
  movb   $0x0,(%rdi,%rbx,1)
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L21
  lea    -0x3c(%rbp),%rcx
  lea    -0x40(%rbp),%rdx
  mov    %rax,%rdi
  lea    D2(%rip),%rsi
  call   <fscanf@plt>
  cmp    $0x1,%eax
  jle    L56
  movss  -0x3c(%rbp),%xmm1
  movss  -0x40(%rbp),%xmm0
  xor    %edx,%edx
  xor    %esi,%esi
  lea    D4(%rip),%rdi
  xor    %r13d,%r13d
  call   <report@plt>
  mov    %r12,%rdi
  call   <fclose@plt>
L21:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L106
  lea    -0x28(%rbp),%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  xchg   %ax,%ax
L13:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L76
  nopl   0x0(%rax,%rax,1)
L56:
  mov    %r12,%rdi
  call   <fclose@plt>
  jmp    L21
  nopw   0x0(%rax,%rax,1)
L24:
  mov    %rsp,-0x50(%rbp)
  mov    $0xffffffffffffffff,%rbx
  jmp    L54
L106:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D11
datatype: string
name: extract_symbolic_data
arguments: data_label: D3
datatype: string
name: extract_symbolic_data
arguments: data_label: D2
datatype: string
name: extract_symbolic_data
arguments: data_label: D4
datatype: string

tool: D11: %s

tool: D3: r

tool: D2: %f %f

tool: D4: file

assistant: ```c
int guess_by_file(int argc, char **args) {
  size_t len = (size_t)argc;
  size_t off = 0;
  size_t i;
  char *pathname;
  FILE *f;
  float latitude;
  float longitude;
  for (i = 0; i < (size_t)argc; i++)
    len += strlen(*(args + i));
  pathname = alloca(len * sizeof(char));
  for (i = 0; i < (size_t)argc; i++) {
    snprintf(pathname + off, len, "%s", *(args + i));
    off += strlen(*(args + i));
    *(pathname + off++) = ' ';
  }
  *(pathname + len - 1) = '\0';
  f = fopen(pathname, "r");
  if (f == NULL)
    return 1;
  if (fscanf(f, "%f %f", &latitude, &longitude) < 2) {
    fclose(f);
    return 1;
  }
  report(latitude, longitude, "file", 0, 0);
  fclose(f);
  return 0;
}
```