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

```asm
<not_main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %rdx,-0x78(%rbp)
  mov    %ecx,-0x7c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x68(%rbp),%rax
  lea    D36(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x38(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L108
  lea    -0x48(%rbp),%rcx
  mov    -0x38(%rbp),%rdx
  lea    -0x40(%rbp),%rax
  mov    %rax,%rsi
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <get_data@plt>
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x78(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x4c(%rbp)
  movl   $0x0,-0x50(%rbp)
  movl   $0x0,-0x54(%rbp)
  lea    -0x5c(%rbp),%rdx
  mov    -0x70(%rbp),%rax
  lea    D33(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  jmp    L90
L63:
  mov    -0x50(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0x30(%rbp),%rax
  mov    $0x2,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  lea    -0x58(%rbp),%rdx
  lea    -0x30(%rbp),%rax
  lea    D33(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  mov    -0x48(%rbp),%rcx
  mov    -0x58(%rbp),%edx
  mov    -0x5c(%rbp),%esi
  mov    -0x40(%rbp),%rax
  lea    -0x54(%rbp),%rdi
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <make_changes@plt>
  test   %rax,%rax
  jne    L13
  cmpl   $0x0,-0x7c(%rbp)
  jne    L13
  mov    -0x48(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  mov    -0x68(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <apply_changes@plt>
L13:
  addl   $0x2,-0x50(%rbp)
  mov    -0x5c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x5c(%rbp)
L90:
  mov    -0x50(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L63
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  cmpl   $0x0,-0x7c(%rbp)
  jle    L25
  mov    -0x50(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  cmp    %eax,%edx
  jne    L62
  mov    $0x1,%eax
  jmp    L17
L62:
  mov    $0x0,%eax
  jmp    L17
L25:
  mov    $0x1,%eax
  jmp    L17
L108:
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
L17:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L34
  call   <__stack_chk_fail@plt>
L34:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D36
datatype: string
name: disassemble_data
arguments: data_tag: D20
datatype: string
name: disassemble_data
arguments: data_tag: D33
datatype: string
name: disassemble_data
arguments: data_tag: D18
datatype: string

tool: D36: rb

tool: D20: rom.smc

tool: D33: %x

tool: D18: no such file???


assistant: ```c
int not_main(char *rom_name, char *offset, char *bytes, int apply_or_check) {
  FILE *file = fopen(rom_name, "rb");
  if (file) {
    size_t size;
    unsigned char *buf;
    get_data("rom.smc", &buf, file, &size);
    fclose(file);
    char to_use[30];
    int num = strlen(bytes);
    int offset_to_apply, bytes_to_apply, new_offset;
    int c = 0;
    int check_tweak = 0;
    sscanf(offset, "%x", &offset_to_apply);
    while (c < num) {
      strncpy(to_use, bytes + c, 2);
      sscanf(to_use, "%x", &bytes_to_apply);
      if ((make_changes(buf, offset_to_apply, bytes_to_apply, size, &check_tweak) == 0)) {
        if (apply_or_check == 0) {
          apply_changes(buf, rom_name, size);
        }
      }
      c += 2;
      offset_to_apply++;
    }
    free(buf);
    if (apply_or_check > 0)
      if (check_tweak == (c / 2))
        return 1;
      else
        return 0;
    return 1;
  } else {
    fclose(file);
    printf("no such file???\n");
    return 0;
  }
}
```