user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<multiplication>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xc30,%rsp
  mov    %rdi,-0xc18(%rbp)
  mov    %rsi,-0xc20(%rbp)
  mov    %rdx,-0xc28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0xc18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0xbe8(%rbp)
  mov    -0xc20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0xbe0(%rbp)
  lea    -0xbd0(%rbp),%rdx
  mov    -0xc18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <rev@plt>
  lea    -0x7e0(%rbp),%rdx
  mov    -0xc20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <rev@plt>
  movq   $0x0,-0xc00(%rbp)
  movq   $0x0,-0xc10(%rbp)
  jmp    L58
L3:
  lea    -0x3f0(%rbp),%rdx
  mov    -0xc10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x30,(%rax)
  addq   $0x1,-0xc10(%rbp)
L58:
  mov    -0xbe8(%rbp),%rdx
  mov    -0xbe0(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0xc10(%rbp)
  jl     L3
  movq   $0x0,-0xc10(%rbp)
  jmp    L68
L28:
  mov    -0xc00(%rbp),%rax
  mov    %rax,-0xbf8(%rbp)
  movq   $0x0,-0xc08(%rbp)
  movq   $0x0,-0xbf0(%rbp)
  jmp    L7
L63:
  lea    -0xbd0(%rbp),%rdx
  mov    -0xc10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  lea    -0x30(%rax),%edx
  lea    -0x7e0(%rbp),%rcx
  mov    -0xbf0(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  imul   %edx,%eax
  movslq %eax,%rdx
  mov    -0xc08(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0x3f0(%rbp),%rdx
  mov    -0xbf8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbq %al,%rax
  add    %rcx,%rax
  sub    $0x30,%rax
  mov    %rax,-0xbd8(%rbp)
  mov    -0xbd8(%rbp),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  mov    %rcx,%rsi
  sar    $0x3f,%rsi
  sub    %rsi,%rax
  mov    %rax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    %edx,%eax
  add    $0x30,%eax
  mov    %eax,%edx
  lea    -0x3f0(%rbp),%rcx
  mov    -0xbf8(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  mov    -0xbd8(%rbp),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  sar    $0x3f,%rcx
  mov    %rcx,%rdx
  sub    %rdx,%rax
  mov    %rax,-0xc08(%rbp)
  addq   $0x1,-0xbf8(%rbp)
  addq   $0x1,-0xbf0(%rbp)
L7:
  mov    -0xbf0(%rbp),%rax
  cmp    -0xbe0(%rbp),%rax
  jl     L63
  cmpq   $0x0,-0xc08(%rbp)
  jle    L24
  mov    -0xc08(%rbp),%rax
  add    $0x30,%eax
  mov    %eax,%edx
  lea    -0x3f0(%rbp),%rcx
  mov    -0xbf8(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  addq   $0x1,-0xbf8(%rbp)
L24:
  addq   $0x1,-0xc00(%rbp)
  addq   $0x1,-0xc10(%rbp)
L68:
  mov    -0xc10(%rbp),%rax
  cmp    -0xbe8(%rbp),%rax
  jl     L28
  lea    -0x3f0(%rbp),%rdx
  mov    -0xbf8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0xc28(%rbp),%rdx
  lea    -0x3f0(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <rev@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L45
  call   <__stack_chk_fail@plt>
L45:
  leave
  ret
```

assistant: ```c
int multiplication(char *a, char *b, char *m) {
  long int len1, len2, i, carry, k, t, j, mul;
  char F[1000], S[1000], tem[1000];
  len1 = strlen(a);
  len2 = strlen(b);
  rev(a, F);
  rev(b, S);
  k = 0;
  for (i = 0; i < len1 + len2; i++) {
    tem[i] = '0';
  }
  for (i = 0; i < len1; i++) {
    t = k;
    carry = 0;
    for (j = 0; j < len2; j++) {
      mul = (F[i] - '0') * (S[j] - '0') + carry + tem[t] - '0';
      tem[t] = mul % 10 + '0';
      carry = mul / 10;
      t++;
    }
    if (carry > 0) {
      tem[t] = carry + '0';
      t++;
    }
    k++;
  }
  tem[t] = '\0';
  rev(tem, m);
  return 0;
}
```