#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 */
scalar_t__ EINVAL;
int /*<<< orphan*/ EXIT_FAILURE;
scalar_t__ errno;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ perror(char *);
int /*<<< orphan*/ server_loop(int, char *);
int /*<<< orphan*/ stderr;
int strlen(char *);
int strtol(char *, int /*<<< orphan*/ *, int);
int main(int argc, char *argv[]) {
  if (argc != 3) {
    fprintf(stderr, "%s port handle\n", argv[0]);
    exit(EXIT_FAILURE);
  }
  int port = strtol(argv[1], NULL, 10);
  if (port == 0 && errno == EINVAL) {
    perror("Bad port number");
    exit(EXIT_FAILURE);
  }
  char *handle = argv[2];
  if (strlen(handle) > 10) {
    fprintf(stderr, "Handle must be no longer than 10 characters\n");
    exit(EXIT_FAILURE);
  }
  server_loop(port, handle);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x3,-0x8(%rbp)
je     11ac <main+0x4c>
mov    0x2e59(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe69(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    0x2e2b(%rip),%rax
mov    (%rax),%edi
call   1080 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
xor    %eax,%eax
mov    %eax,%esi
mov    $0xa,%edx
call   1050 <strtol@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0x0,-0x14(%rbp)
jne    1203 <main+0xa3>
mov    0x2e02(%rip),%rax
mov    (%rax),%rax
mov    0x2de8(%rip),%rcx
cmp    (%rcx),%rax
jne    1203 <main+0xa3>
lea    0xe20(%rip),%rdi
call   1070 <perror@plt>
mov    0x2dd4(%rip),%rax
mov    (%rax),%edi
call   1080 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
call   1030 <strlen@plt>
cmp    $0xa,%eax
jle    1246 <main+0xe6>
mov    0x2db8(%rip),%rax
mov    (%rax),%edi
lea    0xdef(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    0x2d91(%rip),%rax
mov    (%rax),%edi
call   1080 <exit@plt>
mov    -0x14(%rbp),%edi
mov    -0x20(%rbp),%rsi
call   1060 <server_loop@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
mov    %rsi,%rbx
cmp    $0x3,%edi
jne    11bb <main+0x5b>
mov    0x8(%rbx),%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1050 <strtol@plt>
mov    %eax,%ebp
test   %eax,%eax
jne    1197 <main+0x37>
mov    0x2e50(%rip),%rax
mov    (%rax),%rax
mov    0x2e36(%rip),%rcx
cmp    (%rcx),%rax
je     11f0 <main+0x90>
mov    0x10(%rbx),%rbx
mov    %rbx,%rdi
call   1030 <strlen@plt>
cmp    $0xb,%eax
jge    11d7 <main+0x77>
mov    %ebp,%edi
mov    %rbx,%rsi
call   1060 <server_loop@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret
mov    0x2e1e(%rip),%rax
mov    (%rax),%edi
mov    (%rbx),%rdx
lea    0xe32(%rip),%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
jmp    11fc <main+0x9c>
mov    0x2e02(%rip),%rax
mov    (%rax),%edi
lea    0xe39(%rip),%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
jmp    11fc <main+0x9c>
lea    0xe19(%rip),%rdi
call   1070 <perror@plt>
mov    0x2dcd(%rip),%rax
mov    (%rax),%edi
call   1080 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [16 x i8] c"%s port handle\0A\00"
@EXIT_FAILURE = global i32 0
@errno = global i64 0
@EINVAL = global i64 0
@.str.1 = [16 x i8] c"Bad port number\00"
@.str.2 = [45 x i8] c"Handle must be no longer than 10 characters\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 3
br i1 %9, label %10, label %18
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = load i32, i32* @EXIT_FAILURE
%17 = call i32 @exit(i32 %16)
unreachable
18: ; preds = %2
%19 = load i8**, i8*** %5
%20 = getelementptr inbounds i8*, i8** %19, i64 1
%21 = load i8*, i8** %20
%22 = call i32 @strtol(i8* %21, i32* null, i32 10)
store i32 %22, i32* %6
%23 = load i32, i32* %6
%24 = icmp eq i32 %23, 0
br i1 %24, label %25, label %33
25: ; preds = %18
%26 = load i64, i64* @errno
%27 = load i64, i64* @EINVAL
%28 = icmp eq i64 %26, %27
br i1 %28, label %29, label %33
29: ; preds = %25
%30 = call i32 @perror(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%31 = load i32, i32* @EXIT_FAILURE
%32 = call i32 @exit(i32 %31)
unreachable
33: ; preds = %25, %18
%34 = load i8**, i8*** %5
%35 = getelementptr inbounds i8*, i8** %34, i64 2
%36 = load i8*, i8** %35
store i8* %36, i8** %7
%37 = load i8*, i8** %7
%38 = call i32 @strlen(i8* %37)
%39 = icmp sgt i32 %38, 10
br i1 %39, label %40, label %45
40: ; preds = %33
%41 = load i32, i32* @stderr
%42 = call i32 (i32, i8*, ...) @fprintf(i32 %41, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0))
%43 = load i32, i32* @EXIT_FAILURE
%44 = call i32 @exit(i32 %43)
unreachable
45: ; preds = %33
%46 = load i32, i32* %6
%47 = load i8*, i8** %7
%48 = call i32 @server_loop(i32 %46, i8* %47)
ret i32 0
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [16 x i8] c"%s port handle\0A\00"
@EXIT_FAILURE = global i32 0
@errno = global i64 0
@EINVAL = global i64 0
@.str.1 = [16 x i8] c"Bad port number\00"
@.str.2 = [45 x i8] c"Handle must be no longer than 10 characters\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %10, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = load i32, i32* @EXIT_FAILURE
%9 = tail call i32 @exit(i32 %8)
unreachable
10: ; preds = %2
%11 = getelementptr inbounds i8*, i8** %1, i64 1
%12 = load i8*, i8** %11
%13 = tail call i32 @strtol(i8* nocapture %12, i32* null, i32 10)
%14 = icmp eq i32 %13, 0
br i1 %14, label %15, label %23
15: ; preds = %10
%16 = load i64, i64* @errno
%17 = load i64, i64* @EINVAL
%18 = icmp eq i64 %16, %17
br i1 %18, label %19, label %23
19: ; preds = %15
%20 = tail call i32 @perror(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%21 = load i32, i32* @EXIT_FAILURE
%22 = tail call i32 @exit(i32 %21)
unreachable
23: ; preds = %15, %10
%24 = getelementptr inbounds i8*, i8** %1, i64 2
%25 = load i8*, i8** %24
%26 = tail call i32 @strlen(i8* %25)
%27 = icmp sgt i32 %26, 10
br i1 %27, label %28, label %33
28: ; preds = %23
%29 = load i32, i32* @stderr
%30 = tail call i32 (i32, i8*, ...) @fprintf(i32 %29, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0))
%31 = load i32, i32* @EXIT_FAILURE
%32 = tail call i32 @exit(i32 %31)
unreachable
33: ; preds = %23
%34 = tail call i32 @server_loop(i32 %13, i8* %25)
ret i32 0
}