user: 请从给定的汇编指令推导出C源代码：

```asm
<determine_length>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x150,%rsp
  mov    %rdi,-0x148(%rbp)
  mov    %rsi,-0x150(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x148(%rbp),%rax
  lea    D234(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x128(%rbp)
  mov    -0x150(%rbp),%rax
  lea    D219(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x120(%rbp)
  movl   $0x0,-0x138(%rbp)
  jmp    L236
L166:
  movl   $0x0,-0x12c(%rbp)
  movl   $0x0,-0x134(%rbp)
  movl   $0x0,-0x130(%rbp)
  movzbl -0x110(%rbp),%eax
  cmp    $0x2e,%al
  jne    L96
  lea    -0x110(%rbp),%rax
  lea    D50(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L291
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  lea    -0x110(%rbp),%rax
  mov    %rax,%rdi
  call   <string_length@plt>
  add    %eax,-0x138(%rbp)
  jmp    L236
L291:
  lea    -0x110(%rbp),%rax
  lea    D226(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L236
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  lea    -0x110(%rbp),%rax
  mov    %rax,%rdi
  call   <string_length@plt>
  mov    -0x138(%rbp),%edx
  add    %edx,%eax
  add    $0x1,%eax
  mov    %eax,-0x138(%rbp)
  jmp    L236
L96:
  lea    -0x110(%rbp),%rax
  lea    D223(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D272(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D107(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D255(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D155(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D253(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D68(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D2(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D251(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D128(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D199(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D112(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D156(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L139
  lea    -0x110(%rbp),%rax
  lea    D296(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L128
L139:
  addl   $0x1,-0x138(%rbp)
  jmp    L236
L128:
  lea    -0x110(%rbp),%rax
  lea    D43(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L157
  lea    -0x110(%rbp),%rax
  lea    D57(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L157
  lea    -0x110(%rbp),%rax
  lea    D52(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L157
  lea    -0x110(%rbp),%rax
  lea    D204(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L9
L157:
  addl   $0x2,-0x138(%rbp)
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  jmp    L236
L9:
  lea    -0x110(%rbp),%rax
  lea    D118(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L367
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  lea    -0x110(%rbp),%rax
  lea    D29(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L214
  lea    -0x110(%rbp),%rax
  lea    D200(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L331
L214:
  addl   $0x2,-0x138(%rbp)
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  jmp    L236
L331:
  lea    -0x110(%rbp),%rax
  lea    D71(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L236
  addl   $0x3,-0x138(%rbp)
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  jmp    L236
L247:
  mov    -0x134(%rbp),%eax
  cltq
  movzbl -0x110(%rbp,%rax,1),%eax
  cmp    $0x3a,%al
  jne    L207
  lea    -0x110(%rbp),%rax
  lea    D19(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtok@plt>
  mov    %rax,-0x118(%rbp)
  mov    -0x118(%rbp),%rdx
  mov    -0x120(%rbp),%rax
  lea    D268(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  addl   $0x1,-0x130(%rbp)
  mov    -0x138(%rbp),%edx
  mov    -0x120(%rbp),%rax
  lea    D146(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  jmp    L367
L207:
  addl   $0x1,-0x134(%rbp)
L367:
  mov    -0x134(%rbp),%eax
  cltq
  movzbl -0x110(%rbp,%rax,1),%eax
  test   %al,%al
  je     L236
  cmpl   $0x0,-0x130(%rbp)
  je     L247
L236:
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L166
  mov    -0x138(%rbp),%eax
  mov    %eax,%esi
  lea    D146(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x128(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x120(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  nop
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L209
  call   <__stack_chk_fail@plt>
L209:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D234
data_type: string
name: unpack_data
arguments: label: D219
data_type: string
name: unpack_data
arguments: label: D50
data_type: string
name: unpack_data
arguments: label: D226
data_type: string
name: unpack_data
arguments: label: D223
data_type: string
name: unpack_data
arguments: label: D272
data_type: string
name: unpack_data
arguments: label: D107
data_type: string
name: unpack_data
arguments: label: D255
data_type: string
name: unpack_data
arguments: label: D155
data_type: string
name: unpack_data
arguments: label: D253
data_type: string
name: unpack_data
arguments: label: D68
data_type: string
name: unpack_data
arguments: label: D2
data_type: string
name: unpack_data
arguments: label: D251
data_type: string
name: unpack_data
arguments: label: D128
data_type: string
name: unpack_data
arguments: label: D199
data_type: string
name: unpack_data
arguments: label: D112
data_type: string
name: unpack_data
arguments: label: D156
data_type: string
name: unpack_data
arguments: label: D296
data_type: string
name: unpack_data
arguments: label: D43
data_type: string
name: unpack_data
arguments: label: D57
data_type: string
name: unpack_data
arguments: label: D52
data_type: string
name: unpack_data
arguments: label: D204
data_type: string
name: unpack_data
arguments: label: D118
data_type: string
name: unpack_data
arguments: label: D29
data_type: string
name: unpack_data
arguments: label: D200
data_type: string
name: unpack_data
arguments: label: D71
data_type: string
name: unpack_data
arguments: label: D19
data_type: string
name: unpack_data
arguments: label: D268
data_type: string
name: unpack_data
arguments: label: D146
data_type: string

tool: D234: r

tool: D219: w

tool: D50: .ascii


tool: D226: .asciz


tool: D223: ret


tool: D272: cli


tool: D107: sti


tool: D255: clc


tool: D155: stc


tool: D253: cld


tool: D68: std


tool: D2: hlt


tool: D251: pusha


tool: D128: popa


tool: D199: lodsw


tool: D112: lodsb


tool: D156: int3


tool: D296: nop


tool: D43: int


tool: D57: pause


tool: D52: fnop


tool: D204: cpuid


tool: D118: mov


tool: D29: ah


tool: D200: al


tool: D71: dx


tool: D19: :

tool: D268: %s


tool: D146: %d


assistant: ```c
int determine_length(char *input, char *output) {
  FILE *source = fopen(input, "r");
  FILE *target = fopen(output, "w");
  char string[256];
  int length = 0;
  char *token;
  while (fgets(string, sizeof(string), source) != NULL) {
    int size_string = 0;
    int ch = 0;
    int stop = 0;
    if (string[0] == '.') {
      if (strcmp(string, ".ascii\n") == 0) {
        fgets(string, sizeof(string), source);
        length = length + string_length(string);
      } else if (strcmp(string, ".asciz\n") == 0) {
        fgets(string, sizeof(string), source);
        length = length + string_length(string) + 1;
      }
    } else {
      if (strcmp(string, "ret\n") == 0 || strcmp(string, "cli\n") == 0 || strcmp(string, "sti\n") == 0 || strcmp(string, "clc\n") == 0 || strcmp(string, "stc\n") == 0 || strcmp(string, "cld\n") == 0 || strcmp(string, "std\n") == 0 || strcmp(string, "hlt\n") == 0 || strcmp(string, "pusha\n") == 0 || strcmp(string, "popa\n") == 0 || strcmp(string, "lodsw\n") == 0 || strcmp(string, "lodsb\n") == 0 || strcmp(string, "int3\n") == 0 || strcmp(string, "nop\n") == 0) {
        length++;
      } else if (strcmp(string, "int\n") == 0 || strcmp(string, "pause\n") == 0 || strcmp(string, "fnop\n") == 0 || strcmp(string, "cpuid\n") == 0) {
        length = length + 2;
        fgets(string, sizeof(string), source);
      } else if (strcmp(string, "mov\n") == 0) {
        fgets(string, sizeof(string), source);
        if (strcmp(string, "ah\n") == 0 || strcmp(string, "al\n") == 0) {
          length = length + 2;
          fgets(string, sizeof(string), source);
        } else if (strcmp(string, "dx\n") == 0) {
          length = length + 3;
          fgets(string, sizeof(string), source);
        }
      } else {
        while (string[ch] != '\0' && stop == 0) {
          if (string[ch] == ':') {
            token = strtok(string, ":");
            fprintf(target, "%s\n", token);
            stop++;
            fprintf(target, "%d\n", length);
          } else {
            ch++;
          }
        }
      }
    }
  }
  printf("%d\n", length);
  fclose(source);
  fclose(target);
}
```