user: Please show me the C implementation that matches the assembly code listed below:

```asm
<f_maxmemory>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  lea    D102(%rip),%rdx
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  mov    %rax,%r14
  lea    D4(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  cmp    %rax,%r14
  cmova  %rax,%r14
  lea    D15(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  mov    %rax,%r12
  lea    D129(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r12
  lea    D73(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  lea    (%rax,%r12,1),%r13
  lea    D59(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r13
  lea    D39(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r13
  add    %r14,%r13
  lea    D16(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  mov    %rax,%r12
  lea    D48(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r12
  lea    D9(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r12
  lea    D97(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r12
  lea    D20(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  add    %rax,%r12
  lea    D11(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <get_var@plt>
  mov    %eax,%edi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoull@plt>
  imul   %r12,%rax
  lea    (%rax,%r13,1),%rsi
  lea    D124(%rip),%rdi
  call   <printf@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: read_data
arguments: data_label: D102
type_guessed: string
name: read_data
arguments: data_label: D4
type_guessed: string
name: read_data
arguments: data_label: D15
type_guessed: string
name: read_data
arguments: data_label: D129
type_guessed: string
name: read_data
arguments: data_label: D73
type_guessed: string
name: read_data
arguments: data_label: D59
type_guessed: string
name: read_data
arguments: data_label: D39
type_guessed: string
name: read_data
arguments: data_label: D16
type_guessed: string
name: read_data
arguments: data_label: D48
type_guessed: string
name: read_data
arguments: data_label: D9
type_guessed: string
name: read_data
arguments: data_label: D97
type_guessed: string
name: read_data
arguments: data_label: D20
type_guessed: string
name: read_data
arguments: data_label: D11
type_guessed: string
name: read_data
arguments: data_label: D124
type_guessed: string

tool: D102: tmp_table_size

tool: D4: max_heap_table_size

tool: D15: key_buffer_size

tool: D129: innodb_buffer_pool_size

tool: D73: innodb_additional_mem_pool_size

tool: D59: innodb_log_buffer_size

tool: D39: query_cache_size

tool: D16: read_buffer_size

tool: D48: read_rnd_buffer_size

tool: D9: sort_buffer_size

tool: D97: thread_stack

tool: D20: join_buffer_size

tool: D11: max_connections

tool: D124: %llu

assistant: ```c
void f_maxmemory(const char *buffer, size_t len) {
  unsigned long long tmp_table_size;
  unsigned long long max_heap_table_size;
  unsigned long long max_tmp_table_size;
  unsigned long long server_buffers;
  unsigned long long per_thread_buffers;
  unsigned long long total_per_thread_buffers;
  tmp_table_size = strtoull(get_var(buffer, len, "tmp_table_size"), NULL, 10);
  max_heap_table_size = strtoull(get_var(buffer, len, "max_heap_table_size"), NULL, 10);
  max_tmp_table_size = (tmp_table_size > max_heap_table_size) ? max_heap_table_size : tmp_table_size;
  server_buffers = strtoull(get_var(buffer, len, "key_buffer_size"), NULL, 10) + max_tmp_table_size;
  server_buffers += strtoull(get_var(buffer, len, "innodb_buffer_pool_size"), NULL, 10);
  server_buffers += strtoull(get_var(buffer, len, "innodb_additional_mem_pool_size"), NULL, 10);
  server_buffers += strtoull(get_var(buffer, len, "innodb_log_buffer_size"), NULL, 10);
  server_buffers += strtoull(get_var(buffer, len, "query_cache_size"), NULL, 10);
  per_thread_buffers = strtoull(get_var(buffer, len, "read_buffer_size"), NULL, 10);
  per_thread_buffers += strtoull(get_var(buffer, len, "read_rnd_buffer_size"), NULL, 10);
  per_thread_buffers += strtoull(get_var(buffer, len, "sort_buffer_size"), NULL, 10);
  per_thread_buffers += strtoull(get_var(buffer, len, "thread_stack"), NULL, 10);
  per_thread_buffers += strtoull(get_var(buffer, len, "join_buffer_size"), NULL, 10);
  total_per_thread_buffers = per_thread_buffers * strtoull(get_var(buffer, len, "max_connections"), NULL, 10);
  printf("%llu", server_buffers + total_per_thread_buffers);
}
```