user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<metaphone>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r14
  call   <strlen@plt>
  lea    0x1(%rax,%rax,1),%edi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %rax,(%rsp)
  test   %rax,%rax
  je     L959
  movsbl (%r14),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  test   %al,%al
  jne    L598
L430:
  movsbl (%r14),%edi
  call   <tolower@plt>
  mov    %eax,%r12d
  test   %al,%al
  je     L959
  mov    (%rsp),%r13
  mov    %r14,%rbp
  lea    D2(%rip),%r15
  jmp    L445
L598:
  movsbl 0x1(%r14),%edi
  call   <tolower@plt>
  lea    -0x67(%rbx),%edx
  test   $0xfb,%dl
  sete   %dl
  cmp    $0x70,%bl
  sete   %cl
  or     %cl,%dl
  je     L433
  cmp    $0x6e,%al
  jne    L433
L49:
  add    $0x1,%r14
  jmp    L430
L433:
  cmp    $0x61,%bl
  sete   %dl
  cmp    $0x63,%al
  jne    L754
  test   %dl,%dl
  jne    L49
L754:
  cmp    $0x77,%bl
  jne    L939
  cmp    $0x72,%al
  je     L49
L939:
  cmp    $0x65,%al
  jne    L430
  test   %dl,%dl
  jne    L49
  jmp    L430
  cmp    %rbp,%r14
  je     L800
  cmpb   $0x20,-0x1(%rbp)
  jne    L689
L800:
  movsbl %r12b,%edi
  call   <toupper@plt>
  mov    %al,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    %rbp,%r14
  jb     L473
L375:
  movb   $0x42,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L473:
  movsbl -0x1(%rbp),%edi
  call   <tolower@plt>
  cmp    $0x6d,%al
  jne    L375
  test   %bl,%bl
  jne    L375
L959:
  mov    (%rsp),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cmp    $0x69,%bl
  sete   %dl
  cmp    $0x61,%al
  sete   %al
  test   %al,%dl
  jne    L432
  cmp    $0x68,%bl
  je     L432
  mov    %ebx,%eax
  and    $0xffffffef,%eax
  cmp    $0x69,%al
  je     L1023
  cmp    $0x65,%bl
  je     L1023
  movb   $0x4b,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L432:
  lea    0x1(%r13),%r12
  movb   $0x58,0x0(%r13)
  lea    0x1(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
L1023:
  lea    0x1(%r13),%r12
  movb   $0x53,0x0(%r13)
  lea    0x1(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
  cmp    $0x67,%bl
  je     L1001
L396:
  movb   $0x54,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L1001:
  sub    $0x65,%eax
  cmp    $0x14,%al
  ja     L396
  mov    $0x100011,%edx
  bt     %rax,%rdx
  jae    L396
  lea    0x1(%r13),%r12
  movb   $0x4a,0x0(%r13)
  lea    0x2(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x3(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
  movb   $0x46,0x0(%r13)
  lea    0x1(%r13),%r13
L689:
  add    $0x1,%rbp
  test   %bl,%bl
  je     L959
L431:
  mov    %ebx,%r12d
L445:
  movsbl 0x1(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  cmp    %r12b,%bl
  jne    L360
  cmp    $0x63,%r12b
  jne    L689
L360:
  lea    -0x20(%r12),%edx
  cmp    $0x5a,%dl
  ja     L689
  movzbl %dl,%edx
  movslq (%r15,%rdx,4),%rdx
  add    %r15,%rdx
  notrack jmp *%rdx
  mov    %ebx,%edx
  and    $0xffffffef,%edx
  cmp    $0x69,%dl
  je     L351
  cmp    $0x65,%bl
  jne    L406
L351:
  movb   $0x4a,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L406:
  cmp    $0x68,%bl
  je     L863
  cmp    $0x6e,%bl
  je     L863
  movb   $0x4b,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L863:
  cmp    $0x68,%bl
  jne    L689
  sub    $0x61,%eax
  cmp    $0x14,%al
  ja     L155
  mov    $0x104111,%edx
  bt     %rax,%rdx
  jb     L667
L155:
  lea    0x1(%rbp),%r12
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%rbp
  jmp    L689
  cmp    %rbp,%r14
  je     L595
  lea    -0x61(%rbx),%eax
  cmp    $0x14,%al
  ja     L134
  mov    $0x104111,%edx
  bt     %rax,%rdx
  jb     L595
L134:
  movsbl -0x1(%rbp),%edi
  call   <tolower@plt>
  jmp    L689
L595:
  movb   $0x48,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x4a,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    %rbp,%r14
  je     L628
  movsbl -0x1(%rbp),%edi
  call   <tolower@plt>
  cmp    $0x63,%al
  je     L689
L628:
  movb   $0x4b,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x4c,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x4d,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x4e,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    $0x68,%bl
  je     L38
  movb   $0x50,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L38:
  lea    0x1(%r13),%r12
  movb   $0x46,0x0(%r13)
  lea    0x1(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
  movb   $0x4b,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x52,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    $0x68,%bl
  je     L947
  cmp    $0x69,%bl
  je     L683
L680:
  movb   $0x53,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L947:
  lea    0x1(%r13),%r12
  movb   $0x58,0x0(%r13)
  lea    0x1(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
L683:
  cmp    $0x6f,%al
  je     L890
  cmp    $0x61,%al
  jne    L680
L890:
  lea    0x1(%r13),%r12
  movb   $0x58,0x0(%r13)
  lea    0x2(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x3(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
  cmp    $0x69,%bl
  je     L1020
  cmp    $0x68,%bl
  je     L803
  cmp    $0x63,%bl
  jne    L1040
  cmp    $0x68,%al
  jne    L1040
  mov    $0x63,%ebx
L667:
  add    $0x1,%rbp
  jmp    L431
L1020:
  cmp    $0x61,%al
  je     L564
  cmp    $0x6f,%al
  je     L564
L1040:
  movb   $0x54,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L564:
  movb   $0x58,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L667
L803:
  lea    0x1(%r13),%r12
  movb   $0x30,0x0(%r13)
  lea    0x1(%rbp),%rax
  mov    %rax,0x8(%rsp)
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%r13
  mov    0x8(%rsp),%rbp
  jmp    L689
  movb   $0x46,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    %rbp,%r14
  jne    L222
  cmp    $0x68,%bl
  je     L970
L222:
  mov    %ebx,%eax
  and    $0xfffffffb,%eax
  cmp    $0x61,%al
  je     L6
  lea    -0x69(%rbx),%eax
  cmp    $0xc,%al
  ja     L689
  mov    $0x1041,%edx
  bt     %rax,%rdx
  jb     L6
L736:
  add    $0x1,%rbp
  jmp    L431
L970:
  lea    0x1(%rbp),%r12
  movsbl 0x2(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  mov    %r12,%rbp
  jmp    L222
L6:
  movb   $0x57,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmp    %rbp,%r14
  je     L535
  movb   $0x4b,0x0(%r13)
  movb   $0x53,0x1(%r13)
  lea    0x2(%r13),%r13
  jmp    L689
L535:
  cmp    $0x68,%bl
  je     L443
  cmp    $0x69,%bl
  je     L112
L206:
  movb   $0x53,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
L112:
  cmp    $0x6f,%al
  je     L443
  cmp    $0x61,%al
  jne    L206
L443:
  movb   $0x58,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  mov    %ebx,%eax
  and    $0xfffffffb,%eax
  cmp    $0x61,%al
  je     L145
  lea    -0x69(%rbx),%eax
  cmp    $0xc,%al
  ja     L689
  mov    $0x1041,%edx
  bt     %rax,%rdx
  jae    L736
L145:
  movb   $0x59,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  movb   $0x53,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
  cmpb   $0x20,0x0(%r13)
  je     L689
  movb   $0x20,0x0(%r13)
  lea    0x1(%r13),%r13
  jmp    L689
```

assistant: ```c
char *metaphone(const char *str) {
  const char *s;
  char c, next, nextnext, temp = '\0';
  char *result = calloc(strlen(str) * 2 + 1, sizeof(char));
  char *r;
  if (!result) {
    return NULL;
  }
  c = tolower(*str);
  if (c) {
    next = tolower(*(str + 1));
    if ((c == 'k' && next == 'n') || (c == 'g' && next == 'n') || (c == 'p' && next == 'n') || (c == 'a' && next == 'c') || (c == 'w' && next == 'r') || (c == 'a' && next == 'e')) {
      str++;
    }
  }
  next = tolower(*str);
  for (s = str, r = result; next; s++) {
    c = next;
    next = tolower(*(s + 1));
    nextnext = tolower(*(s + 2));
    if (c == next && c != 'c') {
      continue;
    }
    switch (c) {
    case 'a':
    case 'e':
    case 'i':
    case 'o':
    case 'u':
      if (s == str || *(s - 1) == ' ') {
        *r++ = toupper(c);
      }
      break;
    case 'b':
      if (!(s > str && tolower(*(s - 1)) == 'm') || next) {
        *r++ = 'B';
      }
      break;
    case 'c':
      if ((next == 'i' && nextnext == 'a') || next == 'h') {
        *r++ = 'X';
        next = tolower(*(++s + 1));
      } else if (next == 'i' || next == 'e' || next == 'y') {
        *r++ = 'S';
        next = tolower(*(++s + 1));
      } else {
        *r++ = 'K';
      }
      break;
    case 'd':
      if (next == 'g' && (nextnext == 'e' || nextnext == 'y' || nextnext == 'i')) {
        *r++ = 'J';
        s += 2;
        next = tolower(*(s + 1));
      } else {
        *r++ = 'T';
      }
      break;
    case 'f':
      *r++ = 'F';
      break;
    case 'g':
      if (next == 'i' || next == 'e' || next == 'y') {
        *r++ = 'J';
      } else if (next != 'h' && next != 'n') {
        *r++ = 'K';
      } else if (next == 'h' && !(((nextnext) == 'a' || (nextnext) == 'e' || (nextnext) == 'i' || (nextnext) == 'o' || (nextnext) == 'u'))) {
        s++;
        next = tolower(*(s + 1));
      }
      break;
    case 'h':
      if (s == str || ((next) == 'a' || (next) == 'e' || (next) == 'i' || (next) == 'o' || (next) == 'u') || (temp = tolower(*(s - 1)) && ((temp) == 'a' || (temp) == 'e' || (temp) == 'i' || (temp) == 'o' || (temp) == 'u'))) {
        *r++ = 'H';
      }
      break;
    case 'j':
      *r++ = 'J';
      break;
    case 'k':
      if (s == str || tolower(*(s - 1)) != 'c') {
        *r++ = 'K';
      }
      break;
    case 'l':
      *r++ = 'L';
      break;
    case 'm':
      *r++ = 'M';
      break;
    case 'n':
      *r++ = 'N';
      break;
    case 'p':
      if (next == 'h') {
        *r++ = 'F';
        next = tolower(*(++s + 1));
      } else {
        *r++ = 'P';
      }
      break;
    case 'q':
      *r++ = 'K';
      break;
    case 'r':
      *r++ = 'R';
      break;
    case 's':
      if (next == 'h') {
        *r++ = 'X';
        next = tolower(*(++s + 1));
      } else if (next == 'i' && (nextnext == 'o' || nextnext == 'a')) {
        *r++ = 'X';
        s += 2;
        next = tolower(*(s + 1));
      } else {
        *r++ = 'S';
      }
      break;
    case 't':
      if (next == 'i' && (nextnext == 'a' || nextnext == 'o')) {
        *r++ = 'X';
      } else if (next == 'h') {
        *r++ = '0';
        next = tolower(*(++s + 1));
      } else if (next != 'c' || nextnext != 'h') {
        *r++ = 'T';
      }
      break;
    case 'v':
      *r++ = 'F';
      break;
    case 'w':
      if (s == str && next == 'h') {
        next = tolower(*(++s + 1));
      }
      if (((next) == 'a' || (next) == 'e' || (next) == 'i' || (next) == 'o' || (next) == 'u')) {
        *r++ = 'W';
      }
      break;
    case 'x':
      if (s == str) {
        if (next == 'h' || (next == 'i' && (nextnext == 'o' || nextnext == 'a'))) {
          *r++ = 'X';
        } else {
          *r++ = 'S';
        }
      } else {
        *r++ = 'K';
        *r++ = 'S';
      }
      break;
    case 'y':
      if (((next) == 'a' || (next) == 'e' || (next) == 'i' || (next) == 'o' || (next) == 'u')) {
        *r++ = 'Y';
      }
      break;
    case 'z':
      *r++ = 'S';
      break;
    case ' ':
      if (*r != ' ') {
        *r++ = ' ';
      }
      break;
    }
  }
  return result;
}
```