#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 socklen_t;
typedef int /*<<< orphan*/ addr;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ htons(int);
int /*<<< orphan*/ inet_addr(char *);
int /*<<< orphan*/ memset(struct sockaddr_in *, int, int);
scalar_t__ sendto(int, char *, int, int /*<<< orphan*/, struct sockaddr *, int);
int yudpsocket_sentto(int socket_fd, char *msg, int len, char *toaddr,
                      int topotr) {
  struct sockaddr_in addr;
  socklen_t addrlen = sizeof(addr);
  memset(&addr, 0x0, sizeof(struct sockaddr_in));
  addr.sin_family = AF_INET;
  addr.sin_port = htons(topotr);
  addr.sin_addr.s_addr = inet_addr(toaddr);
  int sendlen =
      (int)sendto(socket_fd, msg, len, 0, (struct sockaddr *)&addr, addrlen);
  return sendlen;
}


x86 assembly (clang, -O0):
<yudpsocket_sentto>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
mov    %rcx,-0x20(%rbp)
mov    %r8d,-0x24(%rbp)
movl   $0xc,-0x34(%rbp)
lea    -0x30(%rbp),%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   1040 <memset@plt>
mov    0x2e70(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x28(%rbp)
mov    -0x24(%rbp),%edi
call   1030 <htons@plt>
mov    %eax,-0x2c(%rbp)
mov    -0x20(%rbp),%rdi
call   1060 <inet_addr@plt>
mov    %eax,-0x30(%rbp)
mov    -0x4(%rbp),%edi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
lea    -0x30(%rbp),%r8
mov    -0x34(%rbp),%r9d
xor    %ecx,%ecx
call   1050 <sendto@plt>
mov    %eax,-0x38(%rbp)
mov    -0x38(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<yudpsocket_sentto>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %r8d,%ebx
mov    %rcx,%r14
mov    %edx,%r15d
mov    %rsi,%r12
mov    %edi,%ebp
lea    0x8(%rsp),%r13
mov    %r13,%rdi
xor    %esi,%esi
mov    $0xc,%edx
call   1040 <memset@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%eax
mov    %eax,0x10(%rsp)
mov    %ebx,%edi
call   1030 <htons@plt>
mov    %eax,0xc(%rsp)
mov    %r14,%rdi
call   1060 <inet_addr@plt>
mov    %eax,0x8(%rsp)
mov    %ebp,%edi
mov    %r12,%rsi
mov    %r15d,%edx
xor    %ecx,%ecx
mov    %r13,%r8
mov    $0xc,%r9d
call   1050 <sendto@plt>
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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
define i32 @yudpsocket_sentto(i32 %0, i8* %1, i32 %2, i8* %3, i32 %4) {
%6 = alloca i32
%7 = alloca i8*
%8 = alloca i32
%9 = alloca i8*
%10 = alloca i32
%11 = alloca %struct.sockaddr_in
%12 = alloca i32
%13 = alloca i32
store i32 %0, i32* %6
store i8* %1, i8** %7
store i32 %2, i32* %8
store i8* %3, i8** %9
store i32 %4, i32* %10
store i32 12, i32* %12
%14 = call i32 @memset(%struct.sockaddr_in* %11, i32 0, i32 12)
%15 = load i32, i32* @AF_INET
%16 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %11, i32 0, i32 2
store i32 %15, i32* %16
%17 = load i32, i32* %10
%18 = call i32 @htons(i32 %17)
%19 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %11, i32 0, i32 1
store i32 %18, i32* %19
%20 = load i8*, i8** %9
%21 = call i32 @inet_addr(i8* %20)
%22 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %11, i32 0, i32 0
%23 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %22, i32 0, i32 0
store i32 %21, i32* %23
%24 = load i32, i32* %6
%25 = load i8*, i8** %7
%26 = load i32, i32* %8
%27 = bitcast %struct.sockaddr_in* %11 to %struct.sockaddr*
%28 = load i32, i32* %12
%29 = call i64 @sendto(i32 %24, i8* %25, i32 %26, i32 0, %struct.sockaddr* %27, i32 %28)
%30 = trunc i64 %29 to i32
store i32 %30, i32* %13
%31 = load i32, i32* %13
ret i32 %31
}

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
define i32 @yudpsocket_sentto(i32 %0, i8* %1, i32 %2, i8* %3, i32 %4) {
%6 = alloca %struct.sockaddr_in
%7 = bitcast %struct.sockaddr_in* %6 to i8*
%8 = call i32 @memset(%struct.sockaddr_in* %6, i32 0, i32 12)
%9 = load i32, i32* @AF_INET
%10 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %6, i64 0, i32 2
store i32 %9, i32* %10
%11 = call i32 @htons(i32 %4)
%12 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %6, i64 0, i32 1
store i32 %11, i32* %12
%13 = call i32 @inet_addr(i8* %3)
%14 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %6, i64 0, i32 0, i32 0
store i32 %13, i32* %14
%15 = bitcast %struct.sockaddr_in* %6 to %struct.sockaddr*
%16 = call i64 @sendto(i32 %0, i8* %1, i32 %2, i32 0, %struct.sockaddr* %15, i32 12)
%17 = trunc i64 %16 to i32
ret i32 %17
}