#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 {
  int /*<<< orphan*/ sin_port;
  TYPE_1__ sin_addr;
  int /*<<< orphan*/ sin_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ serveraddr;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ INADDR_ANY;
int /*<<< orphan*/ PF_INET;
int /*<<< orphan*/ SOCK_STREAM;
int /*<<< orphan*/ atoi(char *);
int /*<<< orphan*/ bind(int, struct sockaddr *, int);
int /*<<< orphan*/ htonl(int /*<<< orphan*/);
int /*<<< orphan*/ htons(int /*<<< orphan*/);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int create_and_bind(char *port) {
  int fd = socket(PF_INET, SOCK_STREAM, 0);
  struct sockaddr_in serveraddr;
  serveraddr.sin_family = AF_INET;
  serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
  serveraddr.sin_port = htons(atoi(port));
  bind(fd, (struct sockaddr *)&serveraddr, sizeof(serveraddr));
  return fd;
}


x86 assembly (clang, -O0):
<create_and_bind>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2e65(%rip),%rax
mov    (%rax),%edi
mov    0x2e64(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
mov    %eax,-0xc(%rbp)
mov    0x2e69(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x10(%rbp)
mov    0x2e55(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%rdi
call   1060 <atoi@plt>
mov    %eax,%edi
call   1030 <htons@plt>
mov    %eax,-0x18(%rbp)
mov    -0xc(%rbp),%edi
lea    -0x18(%rbp),%rsi
mov    $0xc,%edx
call   1050 <bind@plt>
mov    -0xc(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<create_and_bind>:
push   %r14
push   %rbx
sub    $0x18,%rsp
mov    %rdi,%r14
mov    0x2e67(%rip),%rax
mov    (%rax),%edi
mov    0x2e66(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
mov    %eax,%ebx
mov    0x2e6c(%rip),%rax
mov    (%rax),%eax
mov    %eax,0x10(%rsp)
mov    0x2e57(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,0xc(%rsp)
mov    %r14,%rdi
call   1060 <atoi@plt>
mov    %eax,%edi
call   1030 <htons@plt>
mov    %eax,0x8(%rsp)
lea    0x8(%rsp),%rsi
mov    %ebx,%edi
mov    $0xc,%edx
call   1050 <bind@plt>
mov    %ebx,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
%struct.sockaddr_in = type { i32, %struct.TYPE_2__, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
define i32 @create_and_bind(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
%4 = alloca %struct.sockaddr_in
store i8* %0, i8** %2
%5 = load i32, i32* @PF_INET
%6 = load i32, i32* @SOCK_STREAM
%7 = call i32 @socket(i32 %5, i32 %6, i32 0)
store i32 %7, i32* %3
%8 = load i32, i32* @AF_INET
%9 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %4, i32 0, i32 2
store i32 %8, i32* %9
%10 = load i32, i32* @INADDR_ANY
%11 = call i32 @htonl(i32 %10)
%12 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %4, i32 0, i32 1
%13 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %12, i32 0, i32 0
store i32 %11, i32* %13
%14 = load i8*, i8** %2
%15 = call i32 @atoi(i8* %14)
%16 = call i32 @htons(i32 %15)
%17 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %4, i32 0, i32 0
store i32 %16, i32* %17
%18 = load i32, i32* %3
%19 = bitcast %struct.sockaddr_in* %4 to %struct.sockaddr*
%20 = call i32 @bind(i32 %18, %struct.sockaddr* %19, i32 12)
%21 = load i32, i32* %3
ret i32 %21
}

LLVM IR (-O2):
%struct.sockaddr_in = type { i32, %struct.TYPE_2__, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
define i32 @create_and_bind(i8* nocapture %0) {
%2 = alloca %struct.sockaddr_in
%3 = load i32, i32* @PF_INET
%4 = load i32, i32* @SOCK_STREAM
%5 = tail call i32 @socket(i32 %3, i32 %4, i32 0)
%6 = bitcast %struct.sockaddr_in* %2 to i8*
%7 = load i32, i32* @AF_INET
%8 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 2
store i32 %7, i32* %8
%9 = load i32, i32* @INADDR_ANY
%10 = tail call i32 @htonl(i32 %9)
%11 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 1, i32 0
store i32 %10, i32* %11
%12 = tail call i32 @atoi(i8* %0)
%13 = tail call i32 @htons(i32 %12)
%14 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 0
store i32 %13, i32* %14
%15 = bitcast %struct.sockaddr_in* %2 to %struct.sockaddr*
%16 = call i32 @bind(i32 %5, %struct.sockaddr* %15, i32 12)
ret i32 %5
}