user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  cmp    $0x4,%edi
  jne    L32
  xor    %eax,%eax
  call   <sql_open@plt>
  mov    %eax,%r13d
  xor    %eax,%eax
  test   %r13d,%r13d
  jne    L29
  call   <sql_init_db@plt>
  mov    0x10(%rbp),%rdx
  mov    0x8(%rbp),%rsi
  xor    %eax,%eax
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    0x10(%rbp),%rsi
  mov    0x8(%rbp),%rdi
  xor    %eax,%eax
  mov    $0x64,%edx
  call   <sql_add@plt>
  mov    0x8(%rbp),%rsi
  lea    D40(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rbp),%rdi
  lea    0x8(%rsp),%rdx
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <sql_get_children@plt>
  mov    0x4(%rsp),%eax
  test   %eax,%eax
  jle    L21
  xor    %ebx,%ebx
  lea    D7(%rip),%r12
  cs nopw 0x0(%rax,%rax,1)
L7:
  mov    0x8(%rsp),%rax
  mov    %r12,%rdi
  mov    (%rax,%rbx,8),%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  mov    (%rax,%rbx,8),%rdi
  add    $0x1,%rbx
  call   <free@plt>
  cmp    %ebx,0x4(%rsp)
  jg     L7
L21:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x10(%rbp),%rsi
  lea    D27(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x10(%rbp),%rdi
  lea    0x10(%rsp),%rsi
  xor    %eax,%eax
  call   <sql_get_parent@plt>
  mov    0x10(%rsp),%rsi
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x10(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rbp),%rsi
  lea    D58(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x18(%rbp),%rdi
  xor    %eax,%eax
  call   <sql_remove_child@plt>
  xor    %eax,%eax
  call   <sql_close@plt>
L6:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L43
  add    $0x28,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L32:
  mov    (%rsi),%rsi
  lea    D0(%rip),%rdi
  or     $0xffffffff,%r13d
  call   <printf@plt>
  jmp    L6
L29:
  call   <sql_close@plt>
  or     $0xffffffff,%r13d
  jmp    L6
L43:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D3
type_infered: string
name: disassemble_data
arguments: data_label: D40
type_infered: string
name: disassemble_data
arguments: data_label: D7
type_infered: string
name: disassemble_data
arguments: data_label: D27
type_infered: string
name: disassemble_data
arguments: data_label: D1
type_infered: string
name: disassemble_data
arguments: data_label: D58
type_infered: string
name: disassemble_data
arguments: data_label: D0
type_infered: string

tool: D3: ADDING: %s, %s


tool: D40: GET Children of Parent %s


tool: D7: Child = %s


tool: D27: GET Parent of Child %s


tool: D1: Parent = %s


tool: D58: Remove Child %s


tool: D0: Usage %s (add,get) parent child (remove) child

assistant: ```c
int main(int argc, char **argv) {
  int rc;
  int childc;
  char **childv;
  char *parent;
  int i;
  if (argc != 4) {
    printf("Usage %s (add,get) parent child (remove) child", argv[0]);
    return -1;
  }
  rc = sql_open();
  if (rc) {
    sql_close();
    return -1;
  }
  rc = sql_init_db();
  printf("ADDING: %s, %s\n", argv[1], argv[2]);
  rc = sql_add(argv[1], argv[2], 100);
  printf("GET Children of Parent %s\n", argv[1]);
  rc = sql_get_children(argv[1], &childc, &childv);
  for (i = 0; i < childc; ++i) {
    printf("Child = %s\n", childv[i]);
    free(childv[i]);
  }
  free(childv);
  printf("GET Parent of Child %s\n", argv[2]);
  rc = sql_get_parent(argv[2], &parent);
  printf("Parent = %s\n", parent);
  free(parent);
  printf("Remove Child %s\n", argv[3]);
  rc = sql_remove_child(argv[3]);
  sql_close();
  return 0;
}
```