#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 *, int);
int /*<<< orphan*/ sperror(char *);
void writepid(int pid) {
  FILE *pidfile;
  if ((pidfile = fopen("/var/run/safed.pid", "w"))) {
    fprintf(pidfile, "%d\n", pid);
    fclose(pidfile);
  } else {
    sperror("... unable to open for writing the pid file");
  }
}


x86 assembly (clang, -O0):
<writepid>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
lea    0xeae(%rip),%rdi
lea    0xeba(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x10(%rbp)
cmp    $0x0,%rax
je     118d <writepid+0x4d>
mov    -0x10(%rbp),%rdi
mov    -0x4(%rbp),%edx
lea    0xe9b(%rip),%rsi
call   1050 <fprintf@plt>
mov    -0x10(%rbp),%rdi
call   1030 <fclose@plt>
jmp    1199 <writepid+0x59>
lea    0xe85(%rip),%rdi
call   1040 <sperror@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<writepid>:
push   %rbp
push   %rbx
push   %rax
mov    %edi,%ebp
lea    0xeb4(%rip),%rdi
lea    0xec0(%rip),%rsi
call   1060 <fopen@plt>
test   %rax,%rax
je     117f <writepid+0x3f>
mov    %rax,%rbx
lea    0xeae(%rip),%rsi
mov    %rax,%rdi
mov    %ebp,%edx
call   1050 <fprintf@plt>
mov    %rbx,%rdi
add    $0x8,%rsp
pop    %rbx
pop    %rbp
jmp    1030 <fclose@plt>
lea    0xe93(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %rbp
jmp    1040 <sperror@plt>

LLVM IR (-O0):
@.str = [19 x i8] c"/var/run/safed.pid\00"
@.str.1 = [2 x i8] c"w\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [44 x i8] c"... unable to open for writing the pid file\00"
define void @writepid(i32 %0) {
%2 = alloca i32
%3 = alloca i32*
store i32 %0, i32* %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 = icmp ne i32* %4, null
br i1 %5, label %6, label %12
6: ; preds = %1
%7 = load i32*, i32** %3
%8 = load i32, i32* %2
%9 = call i32 @fprintf(i32* %7, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %8)
%10 = load i32*, i32** %3
%11 = call i32 @fclose(i32* %10)
br label %14
12: ; preds = %1
%13 = call i32 @sperror(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
br label %14
14: ; preds = %12, %6
ret void
}

LLVM IR (-O2):
@.str = [19 x i8] c"/var/run/safed.pid\00"
@.str.1 = [2 x i8] c"w\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [44 x i8] c"... unable to open for writing the pid file\00"
define void @writepid(i32 %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 %7, label %4
4: ; preds = %1
%5 = tail call i32 @fprintf(i32* %2, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %0)
%6 = tail call i32 @fclose(i32* %2)
br label %9
7: ; preds = %1
%8 = tail call i32 @sperror(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
br label %9
9: ; preds = %7, %4
ret void
}