user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%edi
  jne    L5
L26:
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  mov    0x8(%rbx),%rdi
  lea    D43(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L43
L45:
  movl   $0x0,0x4(%rsp)
  lea    0x4(%rsp),%r13
  mov    %r13,%rdx
  lea    D66(%rip),%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  imul   $0xfa0,0x4(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  imul   $0xfa0,0x4(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    0x4(%rsp),%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <read_instructions@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  lea    D72(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <analyze_code@plt>
  lea    D68(%rip),%rdi
  call   <printf@plt>
  lea    D54(%rip),%rdi
  call   <printf@plt>
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <code_transformer@plt>
  lea    D28(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%esi
  mov    %rbx,%rdi
  call   <show_shellcode@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L5:
  lea    D70(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L26
L43:
  lea    D13(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L45
L12:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D43
datatype: string
name: read_data
arguments: data_label: D66
datatype: string
name: read_data
arguments: data_label: D72
datatype: string
name: read_data
arguments: data_label: D68
datatype: string
name: read_data
arguments: data_label: D54
datatype: string
name: read_data
arguments: data_label: D28
datatype: string
name: read_data
arguments: data_label: D70
datatype: string
name: read_data
arguments: data_label: D13
datatype: string

tool: D43: r

tool: D66: %i

tool: D72: 

		    ***[ Initializing code analyzer ]***



tool: D68: 

		    ***[ End code analyzer ]***



tool: D54: 

		    ***[ Initializing code transformer ]***



tool: D28: 

		    ***[ End code transformer ]***



tool: D70: Not args or not enough, filename of file with opcodes it's only needed :(

tool: D13: Cannot open file :(

assistant: ```c
int main(int argc, char **argv) {
  if (argc <= 1 || argc > 2) {
    perror("Not args or not enough, filename of file with opcodes it's only needed :(");
    exit(1);
  }
  srand(time(NULL));
  FILE *fd;
  fd = fopen(argv[1], "r");
  if (!fd) {
    perror("Cannot open file :(");
    exit(1);
  }
  int num_instructions = 0x00;
  int *pnum_instructions = &num_instructions;
  fscanf(fd, "%i", &num_instructions);
  int *instructions = (int *)malloc(num_instructions * sizeof(int) * 1000);
  int *new_shellcode = (int *)malloc(num_instructions * sizeof(int) * 1000);
  read_instructions(instructions, fd, num_instructions);
  fclose(fd);
  printf("\n\n\t\t    ***[ Initializing code analyzer ]***\n\n");
  analyze_code(instructions, new_shellcode, num_instructions);
  printf("\n\n\t\t    ***[ End code analyzer ]***\n\n");
  printf("\n\n\t\t    ***[ Initializing code transformer ]***\n\n");
  code_transformer(instructions, new_shellcode, pnum_instructions);
  printf("\n\n\t\t    ***[ End code transformer ]***\n\n");
  show_shellcode(instructions, num_instructions);
  free(instructions);
  free(new_shellcode);
  return 0;
}
```