#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 */

/* Variables and functions */
int /*<<< orphan*/ _IONBF;
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ prepareclient(char *, char *);
int /*<<< orphan*/ runclient();
int /*<<< orphan*/ setvbuf(int /*<<< orphan*/, int /*<<< orphan*/ *,
                           int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ stdout;
int main(int argc, char **argv) {
  if (3 != argc) {
    fprintf(stderr, "Usage: %s hostname port\n", argv[0]);
    return 1;
  }
  prepareclient(argv[1], argv[2]);
  setvbuf(stdout, NULL, _IONBF, 0);
  runclient();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    $0x3,%eax
cmp    -0x8(%rbp),%eax
je     118c <main+0x4c>
mov    0x2e6d(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe85(%rip),%rsi
call   1040 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11cc <main+0x8c>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1060 <prepareclient@plt>
mov    0x2e28(%rip),%rax
mov    (%rax),%edi
mov    0x2e37(%rip),%rax
mov    (%rax),%edx
xor    %eax,%eax
mov    %eax,%esi
xor    %ecx,%ecx
call   1050 <setvbuf@plt>
mov    $0x0,%al
call   1030 <runclient@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x3,%edi
jne    1179 <main+0x39>
mov    0x8(%rsi),%rdi
mov    0x10(%rsi),%rsi
call   1060 <prepareclient@plt>
mov    0x2e76(%rip),%rax
mov    (%rax),%edi
mov    0x2e85(%rip),%rax
mov    (%rax),%edx
xor    %ebx,%ebx
xor    %esi,%esi
xor    %ecx,%ecx
call   1050 <setvbuf@plt>
xor    %eax,%eax
call   1030 <runclient@plt>
jmp    1196 <main+0x56>
mov    0x2e58(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe74(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%ebx
mov    %ebx,%eax
pop    %rbx
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [25 x i8] c"Usage: %s hostname port\0A\00"
@stdout = global i32 0
@_IONBF = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 3, %6
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i8* %12)
store i32 1, i32* %3
br label %26
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 2
%20 = load i8*, i8** %19
%21 = call i32 @prepareclient(i8* %17, i8* %20)
%22 = load i32, i32* @stdout
%23 = load i32, i32* @_IONBF
%24 = call i32 @setvbuf(i32 %22, i32* null, i32 %23, i32 0)
%25 = call i32 (...) @runclient()
store i32 0, i32* %3
br label %26
26: ; preds = %14, %8
%27 = load i32, i32* %3
ret i32 %27
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [25 x i8] c"Usage: %s hostname port\0A\00"
@stdout = global i32 0
@_IONBF = global i32 0
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %18
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = getelementptr inbounds i8*, i8** %1, i64 2
%12 = load i8*, i8** %11
%13 = tail call i32 @prepareclient(i8* %10, i8* %12)
%14 = load i32, i32* @stdout
%15 = load i32, i32* @_IONBF
%16 = tail call i32 @setvbuf(i32 %14, i32* null, i32 %15, i32 0)
%17 = tail call i32 (...) @runclient()
br label %18
18: ; preds = %8, %4
%19 = phi i32 [ 1, %4 ], [ 0, %8 ]
ret i32 %19
}