user: What is the c source code of the assembly code below?

```asm
<prefixToX>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  mov    $0x64,%edi
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %esi,0xc(%rsp)
  call   <malloc@plt>
  mov    $0x64,%edi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    $0x64,%edi
  mov    %rax,%rbx
  call   <malloc@plt>
  mov    $0x64,%edi
  mov    %rax,0x10(%rsp)
  call   <malloc@plt>
  mov    %r12,%rdi
  mov    %rax,0x18(%rsp)
  call   <strlen@plt>
  mov    %eax,%edx
  sub    $0x1,%edx
  js     L61
  movslq %edx,%rcx
  cltq
  mov    %edx,%edx
  lea    (%r12,%rcx,1),%r14
  lea    -0x2(%r12,%rax,1),%r12
  sub    %rdx,%r12
  lea    D13(%rip),%r13
  lea    D14(%rip),%r15
  jmp    L40
  nopw   0x0(%rax,%rax,1)
L112:
  mov    %rbx,%rdi
  mov    %r13,%rsi
  call   <sprintf@plt>
  mov    %rbx,%rdi
  call   <stackPush@plt>
L82:
  sub    $0x1,%r14
  cmp    %r12,%r14
  je     L61
L40:
  movsbl (%r14),%edx
  lea    -0x2a(%rdx),%eax
  cmp    $0x34,%al
  ja     L112
  movabs $0x1000000000002b,%rcx
  bt     %rax,%rcx
  jae    L112
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  movsbl (%r14),%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  xor    %eax,%eax
  call   <stackLength@plt>
  cmp    $0x1,%eax
  jle    L11
  cmpl   $0x2,0xc(%rsp)
  je     L34
  cmpl   $0x3,0xc(%rsp)
  jne    L82
  xor    %eax,%eax
  sub    $0x1,%r14
  call   <stackPop@plt>
  mov    0x10(%rsp),%rdi
  mov    %rax,%rsi
  call   <strcpy@plt>
  xor    %eax,%eax
  call   <stackPop@plt>
  mov    0x18(%rsp),%rdi
  mov    %rax,%rsi
  call   <strcpy@plt>
  mov    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    0x18(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbp,%rdi
  call   <stackPush@plt>
  cmp    %r12,%r14
  jne    L40
  nopl   0x0(%rax)
L61:
  xor    %eax,%eax
  call   <stackLength@plt>
  cmp    $0x1,%eax
  jg     L11
  xor    %eax,%eax
  cmpl   $0x2,0xc(%rsp)
  je     L86
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1130 <stackPop@plt>
L34:
  xor    %eax,%eax
  call   <stackPop@plt>
  mov    0x10(%rsp),%rdi
  mov    %rax,%rsi
  call   <strcpy@plt>
  xor    %eax,%eax
  call   <stackPop@plt>
  mov    0x18(%rsp),%rdi
  mov    %rax,%rsi
  call   <strcpy@plt>
  mov    %rbp,%rdi
  lea    D49(%rip),%rsi
  call   <strcat@plt>
  mov    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    0x18(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  mov    %rbp,%rdi
  lea    D25(%rip),%rsi
  call   <strcat@plt>
  mov    %rbp,%rdi
  call   <stackPush@plt>
  jmp    L82
  nopl   0x0(%rax,%rax,1)
L11:
  add    $0x28,%rsp
  lea    D47(%rip),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L86:
  call   <stackPop@plt>
  add    $0x28,%rsp
  pop    %rbx
  mov    %rax,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1110 <clearBrackets@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D13
data_type: string
name: extract_symbolic_data
arguments: data_label: D14
data_type: string
name: extract_symbolic_data
arguments: data_label: D49
data_type: string
name: extract_symbolic_data
arguments: data_label: D25
data_type: string
name: extract_symbolic_data
arguments: data_label: D47
data_type: string

tool: D13: %c

tool: 

tool: D49: (

tool: D25: )

tool: D47: Invalid infix string. Check your operators and operands.


assistant: ```c
char *prefixToX(char *s, int outputFormat) {
  int i;
  char *out = (char *)malloc(sizeof(char) * 100);
  char *buffer = (char *)malloc(sizeof(char) * 100);
  char *stringA = (char *)malloc(sizeof(char) * 100);
  char *stringB = (char *)malloc(sizeof(char) * 100);
  for (i = strlen(s) - 1; i >= 0; i--) {
    switch (s[i]) {
    case '^':
    case '/':
    case '*':
    case '+':
    case '-':
      strcpy(out, "");
      sprintf(buffer, "%c", s[i]);
      if (stackLength() < 2) {
        return "Invalid infix string. Check your operators and operands.\n";
      } else {
        if (outputFormat == 2) {
          strcpy(stringA, stackPop());
          strcpy(stringB, stackPop());
          strcat(out, "(");
          strcat(out, stringA);
          strcat(out, buffer);
          strcat(out, stringB);
          strcat(out, ")");
          stackPush(out);
        } else if (outputFormat == 3) {
          strcpy(stringA, stackPop());
          strcpy(stringB, stackPop());
          strcat(out, stringA);
          strcat(out, stringB);
          strcat(out, buffer);
          stackPush(out);
        }
      }
      break;
    default:
      sprintf(buffer, "%c", s[i]);
      stackPush(buffer);
      break;
    }
  }
  if (stackLength() > 1) {
    return "Invalid infix string. Check your operators and operands.\n";
  } else {
    if (outputFormat == 2)
      return clearBrackets(stackPop());
    else
      return stackPop();
  }
}
```