user: What would the C source look like for the assembly code provided here?

```asm
<match_rating_comparison>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <match_rating_codex@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <match_rating_codex@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L183
  mov    $0xffffffff,%eax
  jmp    L212
L183:
  cmpq   $0x0,-0x18(%rbp)
  jne    L116
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L212
L116:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  sub    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <abs@plt>
  cmp    $0x2,%eax
  jle    L162
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L212
L162:
  movq   $0x0,-0x38(%rbp)
  jmp    L260
L246:
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L156
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
L156:
  addq   $0x1,-0x38(%rbp)
L260:
  mov    -0x38(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jae    L256
  mov    -0x38(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L246
L256:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x30(%rbp)
  jmp    L103
L38:
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jne    L124
  subq   $0x1,-0x38(%rbp)
  jmp    L103
L124:
  mov    -0x18(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jne    L39
  subq   $0x1,-0x30(%rbp)
  jmp    L103
L39:
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L6
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
L6:
  subq   $0x1,-0x38(%rbp)
  subq   $0x1,-0x30(%rbp)
L103:
  cmpq   $0x0,-0x38(%rbp)
  je     L200
  cmpq   $0x0,-0x30(%rbp)
  jne    L38
L200:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jbe    L205
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  jmp    L169
L205:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x28(%rbp)
L169:
  movl   $0x0,-0x3c(%rbp)
  jmp    L236
L181:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L252
  addl   $0x1,-0x3c(%rbp)
L252:
  addq   $0x1,-0x28(%rbp)
L236:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L181
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x6,%eax
  sub    -0x3c(%rbp),%eax
  mov    %eax,-0x3c(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x38(%rbp)
  cmpq   $0x4,-0x38(%rbp)
  ja     L36
  cmpl   $0x4,-0x3c(%rbp)
  setg   %al
  movzbl %al,%eax
  jmp    L212
L36:
  cmpq   $0x7,-0x38(%rbp)
  ja     L144
  cmpl   $0x3,-0x3c(%rbp)
  setg   %al
  movzbl %al,%eax
  jmp    L212
L144:
  cmpq   $0xb,-0x38(%rbp)
  ja     L250
  cmpl   $0x2,-0x3c(%rbp)
  setg   %al
  movzbl %al,%eax
  jmp    L212
L250:
  cmpl   $0x1,-0x3c(%rbp)
  setg   %al
  movzbl %al,%eax
L212:
  leave
  ret
```

assistant: ```c
int match_rating_comparison(const char *s1, const char *s2) {
  size_t s1c_len, s2c_len;
  size_t i, j;
  int diff;
  char *longer;
  char *s1_codex = match_rating_codex(s1);
  char *s2_codex = match_rating_codex(s2);
  if (!s1_codex) {
    return -1;
  }
  if (!s2_codex) {
    free(s1_codex);
    return -1;
  }
  s1c_len = strlen(s1_codex);
  s2c_len = strlen(s2_codex);
  if (abs(s1c_len - s2c_len) >= 3) {
    free(s1_codex);
    free(s2_codex);
    return -1;
  }
  for (i = 0; i < s1c_len && i < s2c_len; i++) {
    if (s1_codex[i] == s2_codex[i]) {
      s1_codex[i] = ' ';
      s2_codex[i] = ' ';
    }
  }
  i = s1c_len - 1;
  j = s2c_len - 1;
  while (i != 0 && j != 0) {
    if (s1_codex[i] == ' ') {
      i--;
      continue;
    }
    if (s2_codex[j] == ' ') {
      j--;
      continue;
    }
    if (s1_codex[i] == s2_codex[j]) {
      s1_codex[i] = ' ';
      s2_codex[j] = ' ';
    }
    i--;
    j--;
  }
  if (s1c_len > s2c_len) {
    longer = s1_codex;
  } else {
    longer = s2_codex;
  }
  for (diff = 0; *longer; longer++) {
    if (*longer != ' ') {
      diff++;
    }
  }
  free(s1_codex);
  free(s2_codex);
  diff = 6 - diff;
  i = s1c_len + s2c_len;
  if (i <= 4) {
    return diff >= 5;
  } else if (i <= 7) {
    return diff >= 4;
  } else if (i <= 11) {
    return diff >= 3;
  } else {
    return diff >= 2;
  }
}
```