user: What is the c source code of the assembly code below?

```asm
<handle_command>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa60,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0xa58(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  call   <load_contacts@plt>
  mov    %eax,%ebp
  cmp    $0x43,%bl
  je     L82
  cmp    $0x52,%bl
  je     L93
  cmp    $0x55,%bl
  je     L70
  cmp    $0x44,%bl
  je     L7
  cmp    $0x4c,%bl
  je     L72
L45:
  mov    0xa58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  mov    $0x0,%eax
  add    $0xa60,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L82:
  lea    0x960(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D20(%rip),%rdi
  call   <get_user_input@plt>
  lea    0x9b0(%rsp),%r12
  mov    %r12,%rsi
  lea    D13(%rip),%rdi
  call   <get_user_input@plt>
  lea    0xa00(%rsp),%r13
  mov    %r13,%rsi
  lea    D63(%rip),%rdi
  call   <get_user_input@plt>
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  sub    $0x8,%rsp
  push   %rbp
  mov    %r13,%r9
  mov    %r12,%r8
  mov    %rbx,%rcx
  call   <handle_create@plt>
  add    $0x10,%rsp
  jmp    L45
L93:
  lea    0xa00(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D53(%rip),%rdi
  call   <get_user_input@plt>
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  mov    %rbx,%rcx
  call   <handle_retrieve@plt>
  jmp    L45
L70:
  lea    0xa00(%rsp),%r14
  mov    %r14,%rsi
  lea    D53(%rip),%rdi
  call   <get_user_input@plt>
  lea    0x910(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D20(%rip),%rdi
  call   <get_user_input@plt>
  lea    0x960(%rsp),%r12
  mov    %r12,%rsi
  lea    D13(%rip),%rdi
  call   <get_user_input@plt>
  lea    0x9b0(%rsp),%r13
  mov    %r13,%rsi
  lea    D63(%rip),%rdi
  call   <get_user_input@plt>
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  push   %rbp
  push   %r14
  mov    %r13,%r9
  mov    %r12,%r8
  mov    %rbx,%rcx
  call   <handle_update@plt>
  add    $0x10,%rsp
  jmp    L45
L7:
  lea    0xa00(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D53(%rip),%rdi
  call   <get_user_input@plt>
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  mov    %ebp,%r8d
  mov    %rbx,%rcx
  call   <handle_delete@plt>
  jmp    L45
L72:
  mov    %rsp,%rdx
  lea    0x140(%rsp),%rsi
  lea    0x70(%rsp),%rdi
  mov    %eax,%ecx
  call   <handle_list@plt>
  jmp    L45
L14:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D20
type_guessed: string
name: retrieve_data
arguments: data_tag: D13
type_guessed: string
name: retrieve_data
arguments: data_tag: D63
type_guessed: string
name: retrieve_data
arguments: data_tag: D53
type_guessed: string

tool: D20: Name: 

tool: D13: Address: 

tool: D63: Phone: 

tool: D53: Index: 

assistant: ```c
int handle_command(char cmd) {
  char name[10][20];
  char address[10][200];
  char phoneNumber[10][10];
  int curLength = load_contacts(name, address, phoneNumber);
  if (cmd == 'C') {
    char newName[80];
    char newAddress[80];
    char newPhone[80];
    get_user_input("Name: ", newName);
    get_user_input("Address: ", newAddress);
    get_user_input("Phone: ", newPhone);
    curLength = handle_create(name, address, phoneNumber, newName, newAddress, newPhone, curLength);
  } else if (cmd == 'R') {
    char index[80];
    get_user_input("Index: ", index);
    handle_retrieve(name, address, phoneNumber, index);
  } else if (cmd == 'U') {
    char newName[80];
    char newAddress[80];
    char newPhone[80];
    char index[80];
    get_user_input("Index: ", index);
    get_user_input("Name: ", newName);
    get_user_input("Address: ", newAddress);
    get_user_input("Phone: ", newPhone);
    handle_update(name, address, phoneNumber, newName, newAddress, newPhone, index, curLength);
  } else if (cmd == 'D') {
    char index[80];
    get_user_input("Index: ", index);
    curLength = handle_delete(name, address, phoneNumber, index, curLength);
  } else if (cmd == 'L') {
    handle_list(name, address, phoneNumber, curLength);
  }
}
```