user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<get_format>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <get_flags@plt>
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x8(%rbp)
  cmpl   $0xffffffff,-0x8(%rbp)
  jne    L22
  lea    D96(%rip),%rax
  mov    %rax,%rdx
  lea    D46(%rip),%rax
  mov    %rax,%rsi
  lea    D25(%rip),%rax
  mov    %rax,%rdi
  call   <_os_assert@plt>
  test   %rax,%rax
L22:
  nop
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <get_width@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  jne    L14
  lea    D61(%rip),%rax
  mov    %rax,%rdx
  lea    D46(%rip),%rax
  mov    %rax,%rsi
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  call   <_os_assert@plt>
  test   %rax,%rax
L14:
  nop
  mov    -0x4(%rbp),%eax
  add    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <get_precision@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  jne    L29
  lea    D78(%rip),%rax
  mov    %rax,%rdx
  lea    D46(%rip),%rax
  mov    %rax,%rsi
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  call   <_os_assert@plt>
  test   %rax,%rax
L29:
  nop
  mov    -0x4(%rbp),%eax
  add    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <get_length_and_specifier@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  jne    L12
  lea    D109(%rip),%rax
  mov    %rax,%rdx
  lea    D46(%rip),%rax
  mov    %rax,%rsi
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  call   <_os_assert@plt>
  test   %rax,%rax
L12:
  nop
  mov    -0x4(%rbp),%eax
  add    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D96
data_type: string
name: read_data
arguments: tag: D46
data_type: string
name: read_data
arguments: tag: D25
data_type: string
name: read_data
arguments: tag: D61
data_type: string
name: read_data
arguments: tag: D56
data_type: string
name: read_data
arguments: tag: D78
data_type: string
name: read_data
arguments: tag: D109
data_type: string

tool: D96: 342

tool: D46: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/RichardHScott/os_c/refs/heads/master/src/terminal.c

tool: D25: i != -1

tool: D61: 345

tool: D56: ret != -1

tool: D78: 349

tool: D109: 353

assistant: ```c
int get_format(struct printf_format *format, const char *str) {
  int i = 0;
  i += get_flags(format, &str[i]);
  (void)((i != -1) || _os_assert("i != -1", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/RichardHScott/os_c/refs/heads/master/src/terminal.c", "342"));
  int ret = get_width(format, &str[i]);
  (void)((ret != -1) || _os_assert("ret != -1", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/RichardHScott/os_c/refs/heads/master/src/terminal.c", "345"));
  i += ret;
  ret = get_precision(format, &str[i]);
  (void)((ret != -1) || _os_assert("ret != -1", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/RichardHScott/os_c/refs/heads/master/src/terminal.c", "349"));
  i += ret;
  ret = get_length_and_specifier(format, &str[i]);
  (void)((ret != -1) || _os_assert("ret != -1", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/RichardHScott/os_c/refs/heads/master/src/terminal.c", "353"));
  i += ret;
  return i;
}
```