user: 请从给定的汇编指令推导出C源代码:

```asm
<arg_cat_optionv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x48,%rsp
  mov    %rdi,0x28(%rsp)
  mov    0x80(%rsp),%rcx
  mov    %rsi,0x20(%rsp)
  mov    %r8,0x10(%rsp)
  mov    %r9d,0x1c(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  test   %rcx,%rcx
  lea    D9(%rip),%rax
  cmovne %rcx,%rax
  mov    %rax,0x8(%rsp)
  test   %rdx,%rdx
  je     L59
  movzbl (%rdx),%eax
  mov    %rdx,%rbp
  lea    0x20(%rsp),%r15
  lea    0x35(%rsp),%r12
  lea    0x28(%rsp),%r13
  test   %al,%al
  jne    L17
  jmp    L23
  nopl   0x0(%rax,%rax,1)
L197:
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L23
L17:
  mov    %r15,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  add    $0x1,%rbp
  movb   $0x2d,0x35(%rsp)
  mov    %al,0x36(%rsp)
  movb   $0x0,0x37(%rsp)
  call   <arg_cat@plt>
  cmpb   $0x0,0x0(%rbp)
  je     L197
  mov    0x8(%rsp),%rsi
  mov    %r15,%rdx
  mov    %r13,%rdi
  call   <arg_cat@plt>
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  jne    L17
L23:
  test   %rbx,%rbx
  jne    L172
  cmpq   $0x0,0x10(%rsp)
  je     L170
  lea    0x20(%rsp),%r15
  lea    0x28(%rsp),%r13
  mov    %r15,%rdx
  lea    D57(%rip),%rsi
  mov    %r13,%rdi
  call   <arg_cat@plt>
  mov    0x1c(%rsp),%eax
  mov    %r15,%rdx
  test   %eax,%eax
  jne    L91
L57:
  mov    0x10(%rsp),%rsi
  mov    %r13,%rdi
  call   <arg_cat@plt>
  jmp    L170
  nopl   0x0(%rax)
L172:
  mov    0x8(%rsp),%rsi
  lea    0x20(%rsp),%rdx
  lea    0x28(%rsp),%rdi
  call   <arg_cat@plt>
L158:
  lea    0x20(%rsp),%rbp
  lea    D58(%rip),%r13
  lea    D28(%rip),%r12
L101:
  movzbl (%rbx),%eax
  lea    0x28(%rsp),%r15
  jmp    L113
  nopl   0x0(%rax)
L133:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <arg_cat@plt>
  mov    %rbx,%rdi
  mov    %r12,%rsi
  call   <strcspn@plt>
  mov    0x20(%rsp),%rdx
  mov    0x28(%rsp),%rdi
  mov    %rbx,%rsi
  mov    %rax,%r14
  cmp    %rdx,%rax
  cmovbe %rax,%rdx
  add    %r14,%rbx
  call   <strncat@plt>
  movzbl (%rbx),%eax
  cmp    $0x2c,%al
  je     L155
L113:
  test   %al,%al
  jne    L133
  cmpq   $0x0,0x10(%rsp)
  je     L170
  lea    0x20(%rsp),%r15
  lea    0x28(%rsp),%r13
  mov    %r15,%rdx
  lea    D13(%rip),%rsi
  mov    %r13,%rdi
  call   <arg_cat@plt>
L7:
  mov    0x1c(%rsp),%eax
  mov    %r15,%rdx
  test   %eax,%eax
  je     L57
L91:
  lea    D30(%rip),%rsi
  mov    %r13,%rdi
  call   <arg_cat@plt>
  mov    0x10(%rsp),%rsi
  mov    %r15,%rdx
  mov    %r13,%rdi
  call   <arg_cat@plt>
  mov    %r15,%rdx
  lea    D66(%rip),%rsi
  mov    %r13,%rdi
  call   <arg_cat@plt>
L170:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L191
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L155:
  mov    0x8(%rsp),%rsi
  mov    %rbp,%rdx
  mov    %r15,%rdi
  add    $0x1,%rbx
  call   <arg_cat@plt>
  jmp    L101
  nopl   0x0(%rax)
L59:
  test   %rbx,%rbx
  jne    L158
  cmpq   $0x0,0x10(%rsp)
  lea    0x20(%rsp),%r15
  lea    0x28(%rsp),%r13
  jne    L7
  jmp    L170
L191:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D9
data_type: string
name: read_data
arguments: data_label: D57
data_type: string
name: read_data
arguments: data_label: D58
data_type: string
name: read_data
arguments: data_label: D28
data_type: string
name: read_data
arguments: data_label: D13
data_type: string
name: read_data
arguments: data_label: D30
data_type: string
name: read_data
arguments: data_label: D66
data_type: string

tool: 

tool: D57:  

tool: D58: --

tool: D28: ,

tool: D13: =

tool: D30: [

tool: D66: ]

assistant: ```c
void arg_cat_optionv(char *dest, size_t ndest, const char *shortopts, const char *longopts, const char *datatype, int optvalue, const char *separator) {
  separator = separator ? separator : "";
  if (shortopts) {
    const char *c = shortopts;
    while (*c) {
      char shortopt[3];
      shortopt[0] = '-';
      shortopt[1] = *c;
      shortopt[2] = 0;
      arg_cat(&dest, shortopt, &ndest);
      if (*++c)
        arg_cat(&dest, separator, &ndest);
    }
  }
  if (shortopts && longopts)
    arg_cat(&dest, separator, &ndest);
  if (longopts) {
    const char *c = longopts;
    while (*c) {
      size_t ncspn;
      arg_cat(&dest, "--", &ndest);
      ncspn = strcspn(c, ",");
      strncat(dest, c, (ncspn < ndest) ? ncspn : ndest);
      c += ncspn;
      if (*c == ',') {
        arg_cat(&dest, separator, &ndest);
        c++;
      }
    }
  }
  if (datatype) {
    if (longopts)
      arg_cat(&dest, "=", &ndest);
    else if (shortopts)
      arg_cat(&dest, " ", &ndest);
    if (optvalue) {
      arg_cat(&dest, "[", &ndest);
      arg_cat(&dest, datatype, &ndest);
      arg_cat(&dest, "]", &ndest);
    } else
      arg_cat(&dest, datatype, &ndest);
  }
}
```