#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, char *);
int /*<<< orphan*/ printf(char *);
void send_to_proc(char *str) {
  FILE *pf;
  pf = fopen("/proc/minifirewall", "w");
  if (pf == NULL) {
    printf("Cannot open /proc/minifirewall for writting\n");
    return;
  } else {
    fprintf(pf, "%s", str);
  }
  fclose(pf);
  return;
}


x86 assembly (clang, -O0):
<send_to_proc>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xead(%rip),%rdi
lea    0xeb9(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
jne    117f <send_to_proc+0x3f>
lea    0xea0(%rip),%rdi
call   1040 <printf@plt>
jmp    119c <send_to_proc+0x5c>
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%rdx
lea    0xeb4(%rip),%rsi
call   1050 <fprintf@plt>
mov    -0x10(%rbp),%rdi
call   1030 <fclose@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<send_to_proc>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
lea    0xeb2(%rip),%rdi
lea    0xebe(%rip),%rsi
call   1060 <fopen@plt>
test   %rax,%rax
je     117c <send_to_proc+0x3c>
mov    %rax,%rbx
mov    %r14,%rdi
mov    %rax,%rsi
call   1050 <fputs@plt>
mov    %rbx,%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1040 <fclose@plt>
lea    0xe92(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [19 x i8] c"/proc/minifirewall\00"
@.str.1 = [2 x i8] c"w\00"
@.str.2 = [45 x i8] c"Cannot open /proc/minifirewall for writting\0A\00"
@.str.3 = [3 x i8] c"%s\00"
define void @send_to_proc(i8* %0) {
%2 = alloca i8*
%3 = alloca i32*
store i8* %0, i8** %2
%4 = call i32* @fopen(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %4, i32** %3
%5 = load i32*, i32** %3
%6 = icmp eq i32* %5, null
br i1 %6, label %7, label %9
7: ; preds = %1
%8 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0))
br label %16
9: ; preds = %1
%10 = load i32*, i32** %3
%11 = load i8*, i8** %2
%12 = call i32 @fprintf(i32* %10, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* %11)
br label %13
13: ; preds = %9
%14 = load i32*, i32** %3
%15 = call i32 @fclose(i32* %14)
br label %16
16: ; preds = %13, %7
ret void
}

LLVM IR (-O2):
@.str = [19 x i8] c"/proc/minifirewall\00"
@.str.1 = [2 x i8] c"w\00"
@str = [44 x i8] c"Cannot open /proc/minifirewall for writting\00"
define void @send_to_proc(i8* nocapture %0) {
%2 = tail call i32* @fopen(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%3 = icmp eq i32* %2, null
br i1 %3, label %4, label %6
4: ; preds = %1
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str, i64 0, i64 0))
br label %9
6: ; preds = %1
%7 = tail call i32 @fputs(i8* %0, i32* %2)
%8 = tail call i32 @fclose(i32* %2)
br label %9
9: ; preds = %6, %4
ret void
}