user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x78,%rsp
  mov    %edi,-0x9c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L35
  mov    %edi,%eax
  mov    %rsp,%rcx
  mov    %rsi,%r13
  sub    $0x1,%eax
  cltq
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  and    $0xfffffffffffffff0,%rdx
  sub    %rax,%rcx
L72:
  cmp    %rcx,%rsp
  je     L126
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L72
L35:
  lea    D63(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%eax
L47:
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L19
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L126:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L36
L157:
  mov    0x8(%r13),%rdi
  lea    D34(%rip),%rbx
  mov    %rsp,%r12
  lea    0x8(%r13),%r15
  mov    %rbx,%rsi
  mov    %r12,-0x98(%rbp)
  call   <strstr@plt>
  test   %rax,%rax
  jne    L160
  mov    -0x9c(%rbp),%eax
  sub    $0x2,%eax
  lea    0x10(%r13,%rax,8),%r14
  nopl   0x0(%rax,%rax,1)
L70:
  mov    (%r15),%rdi
  mov    %rbx,%rsi
  call   <strstr@plt>
  test   %rax,%rax
  jne    L169
  mov    (%r15),%rdi
  lea    D60(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,(%r12)
L169:
  add    $0x8,%r15
  add    $0x8,%r12
  cmp    %r14,%r15
  jne    L70
L111:
  lea    -0x90(%rbp),%r14
  nopw   0x0(%rax,%rax,1)
L26:
  mov    %r14,%rsi
  lea    D68(%rip),%rdi
  call   <scanf@plt>
  cmp    $0x1,%eax
  jne    L2
  mov    %r14,%rsi
  lea    D47(%rip),%rdi
  mov    $0x1,%r15d
  call   <printf@plt>
  movslq -0x9c(%rbp),%r12
  jmp    L5
  cs nopw 0x0(%rax,%rax,1)
L37:
  add    $0x1,%r15
  cmp    %r15,%r12
  je     L26
L5:
  mov    0x0(%r13,%r15,8),%rdi
  mov    %rbx,%rsi
  call   <strstr@plt>
  test   %rax,%rax
  jne    L37
  mov    -0x98(%rbp),%rax
  mov    %r14,%rdx
  lea    D47(%rip),%rsi
  mov    -0x8(%rax,%r15,8),%rdi
  call   <fprintf@plt>
  jmp    L37
L160:
  mov    -0x9c(%rbp),%eax
  mov    -0x98(%rbp),%r12
  sub    $0x2,%eax
  lea    0x10(%r13,%rax,8),%r14
  nopl   (%rax)
L22:
  mov    (%r15),%rdi
  mov    %rbx,%rsi
  call   <strstr@plt>
  test   %rax,%rax
  jne    L110
  mov    (%r15),%rdi
  lea    D8(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,(%r12)
L110:
  add    $0x8,%r15
  add    $0x8,%r12
  cmp    %r14,%r15
  jne    L22
  jmp    L111
  nopl   (%rax)
L2:
  xor    %eax,%eax
  jmp    L47
L36:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L157
L19:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D63
type_infered: string
name: extract_symbolic_data
arguments: data_label: D34
type_infered: string
name: extract_symbolic_data
arguments: data_label: D60
type_infered: string
name: extract_symbolic_data
arguments: data_label: D68
type_infered: string
name: extract_symbolic_data
arguments: data_label: D47
type_infered: string
name: extract_symbolic_data
arguments: data_label: D8
type_infered: string

tool: D63: Too few arguments

tool: D34: -a

tool: D60: w

tool: D68: %79[^
]


tool: D47: %s


tool: D8: a

assistant: ```c
int main(int argc, char *argv[]) {
  char line[80];
  if (argc < 2) {
    puts("Too few arguments");
    return 1;
  }
  FILE *files[argc - 1];
  int i, j;
  int use = 0;
  if (strstr(argv[1], "-a"))
    use = 1;
  for (i = 1; i < argc; i++) {
    if (!strstr(argv[i], "-a")) {
      if (use) {
        files[i - 1] = fopen(argv[i], "a");
      } else {
        files[i - 1] = fopen(argv[i], "w");
      }
    }
  }
  while (scanf("%79[^\n]\n", line) == 1) {
    printf("%s\n", line);
    for (j = 1; j < argc; j++) {
      if (!strstr(argv[j], "-a"))
        fprintf(files[j - 1], "%s\n", line);
    }
  }
  return 0;
}
```