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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpl   $0x3,-0x14(%rbp)
  je     L26
  lea    D45(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L26:
  mov    -0x20(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L38
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L38:
  mov    -0x20(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D67(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L77
  mov    -0x20(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D48(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L77:
  mov    -0x20(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  lea    D9(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L25
  mov    -0x20(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D48(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L25:
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <copy@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L70
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L51
L70:
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L51:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  test   %rax,%rax
  jne    L23
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  test   %rax,%rax
  je     L10
L23:
  lea    D79(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <exit@plt>
L10:
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D45
datatype: string
name: extract_symbolic_data
arguments: data_tag: D39
datatype: string
name: extract_symbolic_data
arguments: data_tag: D67
datatype: string
name: extract_symbolic_data
arguments: data_tag: D48
datatype: string
name: extract_symbolic_data
arguments: data_tag: D9
datatype: string
name: extract_symbolic_data
arguments: data_tag: D53
datatype: string
name: extract_symbolic_data
arguments: data_tag: D79
datatype: string

tool: D45: parameters missing

tool: D39: filenames need to be different

tool: D67: r

tool: D48: can't open file %s


tool: D9: w

tool: D53: read/write error

tool: D79: can't close

assistant: ```c
int main(int argc, char *argv[]) {
  if (argc != 3) {
    printf("parameters missing\n");
    exit(10);
  }
  if (!strcmp(argv[1], argv[2])) {
    printf("filenames need to be different\n");
    exit(10);
  }
  FILE *fp_in = fopen(argv[1], "r");
  if (!fp_in) {
    printf("can't open file %s\n", argv[1]);
    exit(10);
  }
  FILE *fp_out = fopen(argv[2], "w");
  if (!fp_out) {
    printf("can't open file %s\n", argv[2]);
    exit(10);
  }
  copy(fp_in, fp_out);
  if (ferror(fp_in) || ferror(fp_out)) {
    printf("read/write error\n");
    exit(10);
  }
  if (fclose(fp_in) || fclose(fp_out)) {
    printf("can't close\n");
    exit(10);
  }
  return 0;
}
```