user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fill_argv>:
  endbr64
  push   %r15
  mov    $0x7d0,%r15d
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    $0x1,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    $0x7d0,%edi
  call   <malloc@plt>
  mov    %r14,%rdi
  movb   $0x0,(%rax)
  mov    %rax,%rbx
  call   <getc@plt>
  mov    %eax,%edx
  mov    %eax,%ecx
  nopw   0x0(%rax,%rax,1)
L148:
  mov    D25(%rip),%rsi
  mov    %r12,%rax
  cmp    %edx,(%rsi)
  je     L30
L378:
  cmp    $0xa,%cl
  je     L170
  test   %r13d,%r13d
  je     L16
  cmp    $0x20,%cl
  je     L304
  cmp    $0x9,%cl
  je     L304
  add    $0x1,%ebp
  mov    %cl,(%rbx,%r12,1)
  xor    %r13d,%r13d
  movslq %ebp,%r12
L304:
  mov    %r14,%rdi
  call   <getc@plt>
  mov    %eax,%edx
  mov    %eax,%ecx
  cmp    %ebp,%r15d
  jg     L148
  add    $0x7d0,%r15d
  mov    %rbx,%rdi
  mov    %al,0x7(%rsp)
  mov    %r15d,%esi
  mov    %eax,(%rsp)
  call   <realloc@plt>
  mov    D25(%rip),%rsi
  movzbl 0x7(%rsp),%ecx
  mov    %rax,%rbx
  mov    (%rsp),%edx
  mov    %r12,%rax
  cmp    %edx,(%rsi)
  jne    L378
L30:
  movb   $0x0,(%rbx,%r12,1)
  mov    $0x1,%r10d
L70:
  movzbl (%rbx),%ecx
  mov    0x8(%rsp),%r13
  xor    %eax,%eax
  xor    %r9d,%r9d
  xor    %edx,%edx
  lea    -0x1(%r15),%edi
L246:
  add    %rbx,%rdx
  test   %cl,%cl
  je     L145
  mov    %rdx,0x0(%r13)
  add    $0x1,%r9d
  add    $0x1,%eax
  cmpb   $0x22,(%rdx)
  je     L123
  cmp    %eax,%r15d
  jle    L313
  movslq %eax,%rcx
  add    %rbx,%rcx
  jmp    L172
  nopl   0x0(%rax)
L47:
  add    $0x1,%eax
  add    $0x1,%rcx
  cmp    %eax,%r15d
  je     L313
L172:
  movzbl (%rcx),%edx
  cmp    $0x20,%dl
  je     L329
  cmp    $0x9,%dl
  je     L329
  test   %dl,%dl
  jne    L47
L176:
  add    $0x18,%rsp
  mov    %r9d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L329:
  movb   $0x0,(%rcx)
L313:
  add    $0x1,%eax
  add    $0x8,%r13
  movslq %eax,%rdx
  movzbl (%rbx,%rdx,1),%ecx
  test   %cl,%cl
  jne    L246
  jmp    L176
  nopw   0x0(%rax,%rax,1)
L170:
  test   %ebp,%ebp
  je     L149
  lea    -0x1(%rbx,%r12,1),%rcx
  movzbl (%rcx),%edx
  cmp    $0x5c,%dl
  je     L155
  cmp    $0x1,%ebp
  je     L290
  cmp    $0xd,%dl
  je     L305
L290:
  movb   $0x0,(%rbx,%rax,1)
  xor    %r10d,%r10d
  jmp    L70
  nopl   0x0(%rax,%rax,1)
L16:
  add    $0x1,%ebp
  mov    %cl,(%rbx,%r12,1)
  movslq %ebp,%r12
  jmp    L304
  nopw   0x0(%rax,%rax,1)
L123:
  cmp    %edi,%eax
  jge    L313
  movslq %eax,%rdx
  add    %rbx,%rdx
  jmp    L178
  nopl   0x0(%rax)
L319:
  test   %cl,%cl
  je     L176
  add    $0x1,%eax
  add    $0x1,%rdx
  cmp    %edi,%eax
  je     L313
L178:
  movzbl (%rdx),%ecx
  cmp    $0x22,%cl
  jne    L319
  add    $0x1,%eax
  movslq %eax,%rdx
  add    %rbx,%rdx
  cmpb   $0x0,(%rdx)
  je     L176
  cmp    %eax,%r15d
  jle    L313
  movb   $0x0,(%rdx)
  jmp    L313
  nopw   0x0(%rax,%rax,1)
L149:
  xor    %eax,%eax
  jmp    L290
L145:
  test   %r9d,%r9d
  jne    L176
  test   %r10b,%r10b
  je     L176
  mov    D25(%rip),%rax
  mov    (%rax),%r9d
  jmp    L176
L155:
  sub    $0x1,%ebp
  movb   $0x0,(%rcx)
  movslq %ebp,%r12
  jmp    L304
  xchg   %ax,%ax
L305:
  lea    -0x2(%rbx,%r12,1),%rdx
  cmpb   $0x5c,(%rdx)
  jne    L290
  sub    $0x2,%ebp
  movb   $0x0,(%rdx)
  movslq %ebp,%r12
  jmp    L304
```

assistant: ```c
int fill_argv(char **argv, FILE *describe_file, int max_args) {
  int argc, t, stop, s, e, eof = 0, start;
  int command_len = 0;
  char *command, c;
  int retC;
  int NNMAX_LINE = 2000;
  command = (char *)malloc(NNMAX_LINE);
  command_len = NNMAX_LINE;
  command[0] = '\0';
  stop = 0;
  start = 1;
  t = 0;
  while (stop == 0) {
    retC = getc(describe_file);
    c = (char)retC;
    if (t >= command_len) {
      command = (char *)realloc(command, command_len + NNMAX_LINE);
      command_len += NNMAX_LINE;
    }
    if (retC == EOF) {
      command[t] = '\0';
      stop = 1;
      eof = 1;
    } else if (c == '\n') {
      if (t > 0 && command[t - 1] == '\\') {
        command[t - 1] = '\0';
        t -= 2;
      } else if (t > 1 && command[t - 1] == '\r' && command[t - 2] == '\\') {
        command[t - 2] = '\0';
        t -= 3;
      } else {
        command[t] = '\0';
        stop = 1;
      }
    } else {
      if (start) {
        if (c == ' ' || c == '\t')
          t--;
        else {
          start = 0;
          command[t] = c;
        }
      } else {
        command[t] = c;
      }
    }
    t++;
  }
  argc = 0;
  s = 0;
  while (1) {
    if (command[s] == '\0') {
      goto finished;
    }
    argv[argc] = &command[s];
    if (argv[argc++][0] == '\"') {
      for (e = s + 1; e < command_len - 1; e++) {
        if (command[e] == '\"') {
          e++;
          if (command[e] == '\0')
            goto finished;
          if (e < command_len)
            command[e] = '\0';
          break;
        } else if (command[e] == '\0') {
          goto finished;
        }
      }
    } else {
      for (e = s + 1; e < command_len; e++) {
        if (command[e] == ' ' || command[e] == '\t') {
          command[e] = '\0';
          break;
        } else if (command[e] == '\0')
          goto finished;
      }
    }
    s = e + 1;
    if (command[s] == '\0')
      break;
  }
finished:
  if (argc == 0 && eof)
    return EOF;
  else
    return argc;
}
```