user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<define_mode>:
  endbr64
  test   %edx,%edx
  jle    L254
  lea    -0x1(%rdx),%eax
  push   %r14
  lea    0x4(%rsi,%rax,4),%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  test   %ecx,%ecx
  jne    L377
  cmpl   $0xff,(%rbx)
  jle    L94
  nopl   0x0(%rax,%rax,1)
L58:
  movb   $0x4b,0x0(%r13)
L298:
  add    $0x4,%rbx
  add    $0x1,%r13
  cmp    %r14,%rbx
  je     L187
L191:
  cmpl   $0xff,(%rbx)
  jg     L58
L94:
  movb   $0x42,0x0(%r13)
  mov    (%rbx),%edi
  call   <in_alpha@plt>
  test   %rax,%rax
  je     L125
  movb   $0x41,0x0(%r13)
L125:
  mov    (%rbx),%eax
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L298
  add    $0x4,%rbx
  movb   $0x4e,0x0(%r13)
  add    $0x1,%r13
  cmp    %r14,%rbx
  jne    L191
  nopl   0x0(%rax)
L187:
  mov    %rbp,%r8
  mov    %rbp,%rdi
  xor    %edx,%edx
  mov    $0x1,%r10d
  jmp    L360
L87:
  lea    0x1(%rdi),%r9
L225:
  lea    0x1(%rdx),%esi
  mov    %r9,%rdi
  cmp    %esi,%r12d
  je     L339
L266:
  mov    %esi,%edx
L360:
  movzbl (%rdi),%eax
  cmp    $0x4e,%al
  jne    L87
  test   %edx,%edx
  je     L105
  cmpb   $0x4e,-0x1(%rdi)
  lea    0x1(%rdi),%r9
  je     L225
L330:
  lea    0x1(%rdi),%r9
  xor    %ecx,%ecx
  mov    %r9,%rsi
  jmp    L84
  nopl   (%rax)
L264:
  add    $0x1,%ecx
  lea    (%rcx,%rdx,1),%eax
  cmp    %eax,%r12d
  jle    L136
  movzbl (%rsi),%eax
  add    $0x1,%rsi
L84:
  cmp    $0x4e,%al
  je     L264
  lea    -0x1(%rcx),%eax
  cmp    $0x4,%eax
  ja     L225
L242:
  movslq %ecx,%rax
  test   %ecx,%ecx
  cmovle %r10,%rax
  mov    %eax,%esi
  test   %eax,%eax
  je     L225
  xor    %eax,%eax
L112:
  mov    %eax,%ecx
  add    $0x1,%eax
  movb   $0x41,(%rdi,%rcx,1)
  cmp    %esi,%eax
  jb     L112
  lea    0x1(%rdx),%esi
  mov    %r9,%rdi
  cmp    %esi,%r12d
  jne    L266
  nopl   0x0(%rax,%rax,1)
L339:
  xor    %eax,%eax
  mov    $0x1,%r11d
  jmp    L79
  nopw   0x0(%rax,%rax,1)
L325:
  lea    0x1(%r8),%r10
L62:
  lea    0x1(%rax),%ecx
  mov    %r10,%r8
  cmp    %eax,%edx
  je     L227
L108:
  mov    %ecx,%eax
L79:
  movzbl (%r8),%ecx
  cmp    $0x41,%cl
  jne    L325
  test   %eax,%eax
  je     L343
  cmpb   $0x41,-0x1(%r8)
  lea    0x1(%r8),%r10
  je     L62
L178:
  lea    0x1(%r8),%r10
  xor    %edi,%edi
  mov    %r10,%r9
  jmp    L76
  nop
L400:
  add    $0x1,%edi
  lea    (%rdi,%rax,1),%ecx
  cmp    %ecx,%esi
  jle    L230
  movzbl (%r9),%ecx
  add    $0x1,%r9
L76:
  cmp    $0x41,%cl
  je     L400
  lea    -0x1(%rdi),%ecx
  cmp    $0x4,%ecx
  ja     L62
L1:
  movslq %edi,%rcx
  test   %edi,%edi
  cmovle %r11,%rcx
  mov    %ecx,%r9d
  test   %ecx,%ecx
  je     L62
  xor    %ecx,%ecx
L331:
  mov    %ecx,%edi
  add    $0x1,%ecx
  movb   $0x42,(%r8,%rdi,1)
  cmp    %r9d,%ecx
  jb     L331
  lea    0x1(%rax),%ecx
  mov    %r10,%r8
  cmp    %eax,%edx
  jne    L108
L227:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L120:
  movb   $0x4b,0x0(%r13)
L111:
  add    $0x4,%rbx
  add    $0x1,%r13
  cmp    %r14,%rbx
  je     L187
L377:
  cmpl   $0xff,(%rbx)
  jg     L120
  movb   $0x42,0x0(%r13)
  mov    (%rbx),%edi
  call   <in_alpha@plt>
  test   %rax,%rax
  je     L342
  movb   $0x41,0x0(%r13)
L342:
  mov    (%rbx),%eax
  cmp    $0x5b,%eax
  je     L357
L322:
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L111
  movb   $0x4e,0x0(%r13)
  jmp    L111
  nopw   0x0(%rax,%rax,1)
L105:
  movzbl 0x0(%rbp),%eax
  jmp    L330
  nopl   0x0(%rax)
L343:
  movzbl 0x0(%rbp),%ecx
  jmp    L178
  nopl   0x0(%rax)
L136:
  cmp    $0x5,%ecx
  jg     L225
  jmp    L242
  xchg   %ax,%ax
L230:
  cmp    $0x5,%edi
  jg     L62
  jmp    L1
  xchg   %ax,%ax
L357:
  movb   $0x41,0x0(%r13)
  mov    (%rbx),%eax
  jmp    L322
  nopl   0x0(%rax)
L254:
  ret
```

assistant: ```c
void define_mode(char mode[], int jisdata[], int length, int gs1) {
  int i, mlen, j;
  for (i = 0; i < length; i++) {
    if (jisdata[i] > 0xff) {
      mode[i] = 'K';
    } else {
      mode[i] = 'B';
      if (in_alpha(jisdata[i])) {
        mode[i] = 'A';
      }
      if (gs1 && (jisdata[i] == '[')) {
        mode[i] = 'A';
      }
      if ((jisdata[i] >= '0') && (jisdata[i] <= '9')) {
        mode[i] = 'N';
      }
    }
  }
  for (i = 0; i < length; i++) {
    if (mode[i] == 'N') {
      if (((i != 0) && (mode[i - 1] != 'N')) || (i == 0)) {
        mlen = 0;
        while (((mlen + i) < length) && (mode[mlen + i] == 'N')) {
          mlen++;
        };
        if (mlen < 6) {
          for (j = 0; j < mlen; j++) {
            mode[i + j] = 'A';
          }
        }
      }
    }
  }
  for (i = 0; i < length; i++) {
    if (mode[i] == 'A') {
      if (((i != 0) && (mode[i - 1] != 'A')) || (i == 0)) {
        mlen = 0;
        while (((mlen + i) < length) && (mode[mlen + i] == 'A')) {
          mlen++;
        };
        if (mlen < 6) {
          for (j = 0; j < mlen; j++) {
            mode[i + j] = 'B';
          }
        }
      }
    }
  }
}
```