user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r15
  lea    D12(%rip),%rdi
  lea    D205(%rip),%r15
  push   %r14
  push   %r13
  lea    D188(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x6(%rsp),%rbx
  lea    0x4(%rsp),%r12
  call   <puts@plt>
  lea    D179(%rip),%rdi
  call   <puts@plt>
  lea    D165(%rip),%rdi
  call   <puts@plt>
  movb   $0x40,0x5(%rsp)
  nopl   0x0(%rax,%rax,1)
L39:
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  xor    %ebp,%ebp
  mov    $0xcccccccd,%r14d
  call   <printf@plt>
  movb   $0x80,0x4(%rsp)
  mov    $0xffffff80,%eax
  jmp    L65
  nopw   0x0(%rax,%rax,1)
L135:
  cmpb   $0xff,0x4(%rsp)
  lea    D209(%rip),%rcx
  mov    %r13,%rdi
  cmovne %r15,%rcx
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebp,%eax
  mov    %ebp,%edx
  imul   %r14,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  cmp    $0x9,%edx
  je     L69
L116:
  movzbl 0x4(%rsp),%eax
  add    $0x1,%ebp
  add    $0x1,%eax
  mov    %al,0x4(%rsp)
  test   %al,%al
  je     L61
L65:
  xor    %edx,%edx
  mov    %rbx,%rdi
  mov    %al,%dl
  mov    0x5(%rsp),%dh
  mov    %dx,0x6(%rsp)
  call   <g2b@plt>
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <correctg2b@plt>
  movzbl 0x6(%rsp),%esi
  movzbl 0x7(%rsp),%edx
  cmp    $0xa1,%sil
  jne    L135
  cmp    $0xbc,%dl
  jne    L135
  movzwl 0x4(%rsp),%eax
  mov    %rbx,%rdi
  mov    %ax,0x6(%rsp)
  call   <extrag2b@plt>
  movzbl 0x7(%rsp),%edx
  movzbl 0x6(%rsp),%esi
  jmp    L135
  nopl   0x0(%rax,%rax,1)
L69:
  lea    D107(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L116
L61:
  cmpb   $0xff,0x5(%rsp)
  lea    D209(%rip),%rsi
  je     L53
  mov    %r15,%rsi
L53:
  xor    %eax,%eax
  lea    D86(%rip),%rdi
  call   <printf@plt>
  addb   $0x1,0x5(%rsp)
  jne    L39
  lea    D150(%rip),%rdi
  lea    D205(%rip),%r15
  call   <puts@plt>
  lea    D108(%rip),%rdi
  call   <puts@plt>
  lea    D179(%rip),%rdi
  call   <puts@plt>
  lea    D91(%rip),%rdi
  call   <puts@plt>
  movb   $0x40,0x5(%rsp)
  cs nopw 0x0(%rax,%rax,1)
L107:
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  xor    %ebp,%ebp
  mov    $0xcccccccd,%r14d
  call   <printf@plt>
  movb   $0x80,0x4(%rsp)
  mov    $0xffffff80,%eax
  jmp    L172
  nopw   0x0(%rax,%rax,1)
L126:
  cmpb   $0xff,0x4(%rsp)
  lea    D209(%rip),%rcx
  mov    %r13,%rdi
  cmovne %r15,%rcx
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebp,%eax
  mov    %ebp,%edx
  imul   %r14,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  cmp    $0x9,%edx
  je     L38
L10:
  movzbl 0x4(%rsp),%eax
  add    $0x1,%ebp
  add    $0x1,%eax
  mov    %al,0x4(%rsp)
  test   %al,%al
  je     L64
L172:
  xor    %edx,%edx
  mov    %rbx,%rdi
  mov    %al,%dl
  mov    0x5(%rsp),%dh
  mov    %dx,0x6(%rsp)
  call   <b2g@plt>
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <correctg2b@plt>
  movzbl 0x6(%rsp),%esi
  movzbl 0x7(%rsp),%edx
  cmp    $0xa1,%sil
  jne    L126
  cmp    $0xf5,%dl
  jne    L126
  movzwl 0x4(%rsp),%eax
  mov    %rbx,%rdi
  mov    %ax,0x6(%rsp)
  call   <extrab2g@plt>
  movzbl 0x7(%rsp),%edx
  movzbl 0x6(%rsp),%esi
  jmp    L126
  nopl   0x0(%rax,%rax,1)
L38:
  lea    D107(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L10
  nopl   0x0(%rax,%rax,1)
L64:
  cmpb   $0xff,0x5(%rsp)
  lea    D209(%rip),%rsi
  je     L186
  mov    %r15,%rsi
L186:
  xor    %eax,%eax
  lea    D86(%rip),%rdi
  call   <printf@plt>
  addb   $0x1,0x5(%rsp)
  jne    L107
  lea    D150(%rip),%rdi
  call   <puts@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L89
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L89:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D12
datatype: string
name: extract_symbolic_data
arguments: tag: D205
datatype: string
name: extract_symbolic_data
arguments: tag: D188
datatype: string
name: extract_symbolic_data
arguments: tag: D179
datatype: string
name: extract_symbolic_data
arguments: tag: D165
datatype: string
name: extract_symbolic_data
arguments: tag: D17
datatype: string
name: extract_symbolic_data
arguments: tag: D209
datatype: string
name: extract_symbolic_data
arguments: tag: D107
datatype: string
name: extract_symbolic_data
arguments: tag: D86
datatype: string
name: extract_symbolic_data
arguments: tag: D150
datatype: string
name: extract_symbolic_data
arguments: tag: D108
datatype: string
name: extract_symbolic_data
arguments: tag: D91
datatype: string

tool: D12: //g2btab[c2-0x40][(c1-0x80)*2], g2btab[c2-0x40][(c1-0x80)*2+1]

tool: D205: ,

tool: D188: %3d,%3d%s

tool: D179: //c1: 0x80-0xff, c2: 0x40-0xfe

tool: D165: static const char g2btab[192][256]={

tool: D17: 	{

tool: 

tool: D107: 
	 

tool: D86: }%s


tool: D150: };

tool: D108: //b2gtab[c2-0x40][(c1-0x80)*2], b2gtab[c2-0x40][(c1-0x80)*2+1]

tool: D91: static const char b2gtab[192][256]={

assistant: ```c
int main() {
  unsigned char c[2], cc[2];
  int i;
  printf("//g2btab[c2-0x40][(c1-0x80)*2], g2btab[c2-0x40][(c1-0x80)*2+1]\n");
  printf("//c1: 0x80-0xff, c2: 0x40-0xfe\n");
  printf("static const char g2btab[192][256]={\n");
  for (c[1] = 0x40; c[1]; c[1]++) {
    printf("\t{");
    for (i = 0, c[0] = 0x80; c[0]; c[0]++, i++) {
      cc[0] = c[0];
      cc[1] = c[1];
      g2b(cc);
      correctg2b(c, cc);
      if (cc[0] == 0xa1 && cc[1] == 0xbc) {
        cc[0] = c[0];
        cc[1] = c[1];
        extrag2b(cc);
      }
      printf("%3d,%3d%s", (int)cc[0], (int)cc[1], c[0] == 0xff ? "" : ",");
      if (i % 10 == 9)
        printf("\n\t ");
    }
    printf("}%s\n", c[1] == 0xff ? "" : ",");
  }
  printf("};\n");
  printf("//b2gtab[c2-0x40][(c1-0x80)*2], b2gtab[c2-0x40][(c1-0x80)*2+1]\n");
  printf("//c1: 0x80-0xff, c2: 0x40-0xfe\n");
  printf("static const char b2gtab[192][256]={\n");
  for (c[1] = 0x40; c[1] <= 0xff && c[1]; c[1]++) {
    printf("\t{");
    for (i = 0, c[0] = 0x80; c[0] <= 0xff && c[0]; c[0]++, i++) {
      cc[0] = c[0];
      cc[1] = c[1];
      b2g(cc);
      correctg2b(c, cc);
      if (cc[0] == 0xa1 && cc[1] == 0xf5) {
        cc[0] = c[0];
        cc[1] = c[1];
        extrab2g(cc);
      }
      printf("%3d,%3d%s", (int)cc[0], (int)cc[1], c[0] == 0xff ? "" : ",");
      if (i % 10 == 9)
        printf("\n\t ");
    }
    printf("}%s\n", c[1] == 0xff ? "" : ",");
  }
  printf("};\n");
  return 0;
}
```