#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 */
typedef struct TYPE_2__ TYPE_1__;

/* Type definitions */
struct TYPE_2__ {
  int /*<<< orphan*/ s_addr;
};
struct sockaddr_in {
  TYPE_1__ sin_addr;
  int /*<<< orphan*/ sin_port;
  int /*<<< orphan*/ sin_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ saddr;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ INADDR_ANY;
int /*<<< orphan*/ SOCK_STREAM;
scalar_t__ bind(int, struct sockaddr *, int);
int /*<<< orphan*/ htonl(int /*<<< orphan*/);
int /*<<< orphan*/ htons(int);
scalar_t__ listen(int, int);
int /*<<< orphan*/ memset(struct sockaddr_in *, char, int);
int /*<<< orphan*/ perror(char *);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int persiapkan_soket(int port) {
  int sd;
  struct sockaddr_in saddr;
  sd = socket(AF_INET, SOCK_STREAM, 0);
  if (sd < 0) {
    perror("socket()");
    return sd;
  }
  memset(&saddr, '\0', sizeof(saddr));
  saddr.sin_family = AF_INET;
  saddr.sin_port = htons(port);
  saddr.sin_addr.s_addr = htonl(INADDR_ANY);
  if (bind(sd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) {
    perror("bind()");
    sd = -1;
  }
  if (listen(sd, 5) < 0) {
    perror("listen()");
    sd = -1;
  }
  return sd;
}


x86 assembly (clang, -O0):
<persiapkan_soket>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    0x2e66(%rip),%rax
mov    (%rax),%edi
mov    0x2e45(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1090 <socket@plt>
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0xc(%rbp)
jge    11b8 <persiapkan_soket+0x48>
lea    0xe58(%rip),%rdi
call   1080 <perror@plt>
mov    -0xc(%rbp),%eax
mov    %eax,-0x4(%rbp)
jmp    124e <persiapkan_soket+0xde>
lea    -0x18(%rbp),%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   1050 <memset@plt>
mov    0x2e19(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
call   1030 <htons@plt>
mov    %eax,-0x14(%rbp)
mov    0x2dfa(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,-0x18(%rbp)
mov    -0xc(%rbp),%edi
lea    -0x18(%rbp),%rsi
mov    $0xc,%edx
call   1070 <bind@plt>
cmp    $0x0,%rax
jge    121e <persiapkan_soket+0xae>
lea    0xdf7(%rip),%rdi
call   1080 <perror@plt>
movl   $0xffffffff,-0xc(%rbp)
mov    -0xc(%rbp),%edi
mov    $0x5,%esi
call   1060 <listen@plt>
cmp    $0x0,%rax
jge    1248 <persiapkan_soket+0xd8>
lea    0xdd4(%rip),%rdi
call   1080 <perror@plt>
movl   $0xffffffff,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<persiapkan_soket>:
push   %rbp
push   %r15
push   %r14
push   %rbx
sub    $0x18,%rsp
mov    %edi,%ebp
mov    0x2e65(%rip),%r15
mov    (%r15),%edi
mov    0x2e43(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1090 <socket@plt>
mov    %eax,%ebx
test   %eax,%eax
js     1206 <persiapkan_soket+0x96>
lea    0x8(%rsp),%r14
mov    %r14,%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   1050 <memset@plt>
mov    (%r15),%eax
mov    %eax,0x10(%rsp)
mov    %ebp,%edi
call   1030 <htons@plt>
mov    %eax,0xc(%rsp)
mov    0x2e17(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,0x8(%rsp)
mov    %ebx,%edi
mov    %r14,%rsi
mov    $0xc,%edx
call   1070 <bind@plt>
test   %rax,%rax
js     1214 <persiapkan_soket+0xa4>
mov    %ebx,%edi
mov    $0x5,%esi
call   1060 <listen@plt>
test   %rax,%rax
js     1227 <persiapkan_soket+0xb7>
mov    %ebx,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret
lea    0xdf3(%rip),%rdi
call   1080 <perror@plt>
jmp    11f9 <persiapkan_soket+0x89>
lea    0xdee(%rip),%rdi
call   1080 <perror@plt>
mov    $0xffffffff,%ebx
jmp    11e8 <persiapkan_soket+0x78>
lea    0xde2(%rip),%rdi
call   1080 <perror@plt>
mov    $0xffffffff,%ebx
jmp    11f9 <persiapkan_soket+0x89>

LLVM IR (-O0):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@AF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str = [9 x i8] c"socket()\00"
@INADDR_ANY = global i32 0
@.str.1 = [7 x i8] c"bind()\00"
@.str.2 = [9 x i8] c"listen()\00"
define i32 @persiapkan_soket(i32 %0) {
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca %struct.sockaddr_in
store i32 %0, i32* %3
%6 = load i32, i32* @AF_INET
%7 = load i32, i32* @SOCK_STREAM
%8 = call i32 @socket(i32 %6, i32 %7, i32 0)
store i32 %8, i32* %4
%9 = load i32, i32* %4
%10 = icmp slt i32 %9, 0
br i1 %10, label %11, label %14
11: ; preds = %1
%12 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%13 = load i32, i32* %4
store i32 %13, i32* %2
br label %39
14: ; preds = %1
%15 = call i32 @memset(%struct.sockaddr_in* %5, i8 signext 0, i32 12)
%16 = load i32, i32* @AF_INET
%17 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 2
store i32 %16, i32* %17
%18 = load i32, i32* %3
%19 = call i32 @htons(i32 %18)
%20 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 1
store i32 %19, i32* %20
%21 = load i32, i32* @INADDR_ANY
%22 = call i32 @htonl(i32 %21)
%23 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 0
%24 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %23, i32 0, i32 0
store i32 %22, i32* %24
%25 = load i32, i32* %4
%26 = bitcast %struct.sockaddr_in* %5 to %struct.sockaddr*
%27 = call i64 @bind(i32 %25, %struct.sockaddr* %26, i32 12)
%28 = icmp slt i64 %27, 0
br i1 %28, label %29, label %31
29: ; preds = %14
%30 = call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
store i32 -1, i32* %4
br label %31
31: ; preds = %29, %14
%32 = load i32, i32* %4
%33 = call i64 @listen(i32 %32, i32 5)
%34 = icmp slt i64 %33, 0
br i1 %34, label %35, label %37
35: ; preds = %31
%36 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
store i32 -1, i32* %4
br label %37
37: ; preds = %35, %31
%38 = load i32, i32* %4
store i32 %38, i32* %2
br label %39
39: ; preds = %37, %11
%40 = load i32, i32* %2
ret i32 %40
}

LLVM IR (-O2):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@AF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str = [9 x i8] c"socket()\00"
@INADDR_ANY = global i32 0
@.str.1 = [7 x i8] c"bind()\00"
@.str.2 = [9 x i8] c"listen()\00"
define i32 @persiapkan_soket(i32 %0) {
%2 = alloca %struct.sockaddr_in
%3 = bitcast %struct.sockaddr_in* %2 to i8*
%4 = load i32, i32* @AF_INET
%5 = load i32, i32* @SOCK_STREAM
%6 = tail call i32 @socket(i32 %4, i32 %5, i32 0)
%7 = icmp slt i32 %6, 0
br i1 %7, label %8, label %10
8: ; preds = %1
%9 = tail call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
br label %30
10: ; preds = %1
%11 = call i32 @memset(%struct.sockaddr_in* %2, i8 signext 0, i32 12)
%12 = load i32, i32* @AF_INET
%13 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 2
store i32 %12, i32* %13
%14 = call i32 @htons(i32 %0)
%15 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 1
store i32 %14, i32* %15
%16 = load i32, i32* @INADDR_ANY
%17 = call i32 @htonl(i32 %16)
%18 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 0, i32 0
store i32 %17, i32* %18
%19 = bitcast %struct.sockaddr_in* %2 to %struct.sockaddr*
%20 = call i64 @bind(i32 %6, %struct.sockaddr* %19, i32 12)
%21 = icmp slt i64 %20, 0
br i1 %21, label %22, label %24
22: ; preds = %10
%23 = call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
br label %24
24: ; preds = %22, %10
%25 = phi i32 [ -1, %22 ], [ %6, %10 ]
%26 = call i64 @listen(i32 %25, i32 5)
%27 = icmp slt i64 %26, 0
br i1 %27, label %28, label %30
28: ; preds = %24
%29 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
br label %30
30: ; preds = %24, %28, %8
%31 = phi i32 [ %6, %8 ], [ -1, %28 ], [ %25, %24 ]
ret i32 %31
}