#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 */
typedef int /*<<< orphan*/ chtype;
typedef int /*<<< orphan*/ WINDOW;

/* Variables and functions */
int check_arg_count(int, int);
int /*<<< orphan*/ report_count(int);
int /*<<< orphan*/ report_error(char *);
int /*<<< orphan*/ report_nstr(int /*<<< orphan*/ *);
int /*<<< orphan*/ report_return(int /*<<< orphan*/);
scalar_t__ sscanf(char *, char *, int *);
int /*<<< orphan*/ winchnstr(int /*<<< orphan*/ *, int /*<<< orphan*/ *, int);
void cmd_winchnstr(int nargs, char **args) {
  WINDOW *win;
  chtype string[256];
  int count;
  if (check_arg_count(nargs, 2) == 1)
    return;
  if (sscanf(args[0], "%p", &win) == 0) {
    report_count(1);
    report_error("BAD ARGUMENT");
    return;
  }
  if (sscanf(args[1], "%d", &count) == 0) {
    report_count(1);
    report_error("BAD ARGUMENT");
    return;
  }
  report_count(2);
  report_return(winchnstr(win, string, count));
  report_nstr(string);
}


x86 assembly (clang, -O0):
<cmd_winchnstr>:
push   %rbp
mov    %rsp,%rbp
sub    $0x430,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x4(%rbp),%edi
mov    $0x2,%esi
call   1060 <check_arg_count@plt>
cmp    $0x1,%eax
jne    119d <cmd_winchnstr+0x2d>
jmp    124c <cmd_winchnstr+0xdc>
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
lea    -0x18(%rbp),%rdx
lea    0xe51(%rip),%rsi
call   1080 <sscanf@plt>
cmp    $0x0,%rax
jne    11d9 <cmd_winchnstr+0x69>
mov    $0x1,%edi
call   1070 <report_count@plt>
lea    0xe34(%rip),%rdi
call   1090 <report_error@plt>
jmp    124c <cmd_winchnstr+0xdc>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
lea    0xe28(%rip),%rsi
lea    -0x424(%rbp),%rdx
call   1080 <sscanf@plt>
cmp    $0x0,%rax
jne    1219 <cmd_winchnstr+0xa9>
mov    $0x1,%edi
call   1070 <report_count@plt>
lea    0xdf4(%rip),%rdi
call   1090 <report_error@plt>
jmp    124c <cmd_winchnstr+0xdc>
mov    $0x2,%edi
call   1070 <report_count@plt>
mov    -0x18(%rbp),%rdi
lea    -0x420(%rbp),%rsi
mov    -0x424(%rbp),%edx
call   1050 <winchnstr@plt>
mov    %eax,%edi
call   1040 <report_return@plt>
lea    -0x420(%rbp),%rdi
call   1030 <report_nstr@plt>
add    $0x430,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<cmd_winchnstr>:
push   %rbx
sub    $0x410,%rsp
mov    %rsi,%rbx
mov    $0x2,%esi
call   1060 <check_arg_count@plt>
cmp    $0x1,%eax
je     1204 <cmd_winchnstr+0x94>
mov    (%rbx),%rdi
lea    0xe6c(%rip),%rsi
lea    0x8(%rsp),%rdx
call   1080 <sscanf@plt>
test   %rax,%rax
je     11ee <cmd_winchnstr+0x7e>
mov    0x8(%rbx),%rdi
lea    0xe62(%rip),%rsi
lea    0x4(%rsp),%rdx
call   1080 <sscanf@plt>
test   %rax,%rax
je     11ee <cmd_winchnstr+0x7e>
mov    $0x2,%edi
call   1070 <report_count@plt>
mov    0x8(%rsp),%rdi
mov    0x4(%rsp),%edx
lea    0x10(%rsp),%rbx
mov    %rbx,%rsi
call   1050 <winchnstr@plt>
mov    %eax,%edi
call   1040 <report_return@plt>
mov    %rbx,%rdi
call   1030 <report_nstr@plt>
jmp    1204 <cmd_winchnstr+0x94>
mov    $0x1,%edi
call   1070 <report_count@plt>
lea    0xe04(%rip),%rdi
call   1090 <report_error@plt>
add    $0x410,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%p\00"
@.str.1 = [13 x i8] c"BAD ARGUMENT\00"
@.str.2 = [3 x i8] c"%d\00"
define void @cmd_winchnstr(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
%5 = alloca i32*
%6 = alloca [256 x i32]
%7 = alloca i32
store i32 %0, i32* %3
store i8** %1, i8*** %4
%8 = load i32, i32* %3
%9 = call i32 @check_arg_count(i32 %8, i32 2)
%10 = icmp eq i32 %9, 1
br i1 %10, label %11, label %12
11: ; preds = %2
br label %40
12: ; preds = %2
%13 = load i8**, i8*** %4
%14 = getelementptr inbounds i8*, i8** %13, i64 0
%15 = load i8*, i8** %14
%16 = bitcast i32** %5 to i32*
%17 = call i64 @sscanf(i8* %15, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %16)
%18 = icmp eq i64 %17, 0
br i1 %18, label %19, label %22
19: ; preds = %12
%20 = call i32 @report_count(i32 1)
%21 = call i32 @report_error(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
br label %40
22: ; preds = %12
%23 = load i8**, i8*** %4
%24 = getelementptr inbounds i8*, i8** %23, i64 1
%25 = load i8*, i8** %24
%26 = call i64 @sscanf(i8* %25, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %7)
%27 = icmp eq i64 %26, 0
br i1 %27, label %28, label %31
28: ; preds = %22
%29 = call i32 @report_count(i32 1)
%30 = call i32 @report_error(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
br label %40
31: ; preds = %22
%32 = call i32 @report_count(i32 2)
%33 = load i32*, i32** %5
%34 = getelementptr inbounds [256 x i32], [256 x i32]* %6, i64 0, i64 0
%35 = load i32, i32* %7
%36 = call i32 @winchnstr(i32* %33, i32* %34, i32 %35)
%37 = call i32 @report_return(i32 %36)
%38 = getelementptr inbounds [256 x i32], [256 x i32]* %6, i64 0, i64 0
%39 = call i32 @report_nstr(i32* %38)
br label %40
40: ; preds = %31, %28, %19, %11
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%p\00"
@.str.1 = [13 x i8] c"BAD ARGUMENT\00"
@.str.2 = [3 x i8] c"%d\00"
define void @cmd_winchnstr(i32 %0, i8** nocapture %1) {
%3 = alloca i32*
%4 = alloca [256 x i32]
%5 = alloca i32
%6 = bitcast i32** %3 to i8*
%7 = bitcast [256 x i32]* %4 to i8*
%8 = bitcast i32* %5 to i8*
%9 = tail call i32 @check_arg_count(i32 %0, i32 2)
%10 = icmp eq i32 %9, 1
br i1 %10, label %35, label %11
11: ; preds = %2
%12 = load i8*, i8** %1
%13 = bitcast i32** %3 to i32*
%14 = call i64 @sscanf(i8* %12, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %13)
%15 = icmp eq i64 %14, 0
br i1 %15, label %16, label %19
16: ; preds = %11
%17 = call i32 @report_count(i32 1)
%18 = call i32 @report_error(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
br label %35
19: ; preds = %11
%20 = getelementptr inbounds i8*, i8** %1, i64 1
%21 = load i8*, i8** %20
%22 = call i64 @sscanf(i8* %21, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %5)
%23 = icmp eq i64 %22, 0
br i1 %23, label %24, label %27
24: ; preds = %19
%25 = call i32 @report_count(i32 1)
%26 = call i32 @report_error(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
br label %35
27: ; preds = %19
%28 = call i32 @report_count(i32 2)
%29 = load i32*, i32** %3
%30 = getelementptr inbounds [256 x i32], [256 x i32]* %4, i64 0, i64 0
%31 = load i32, i32* %5
%32 = call i32 @winchnstr(i32* %29, i32* %30, i32 %31)
%33 = call i32 @report_return(i32 %32)
%34 = call i32 @report_nstr(i32* %30)
br label %35
35: ; preds = %2, %27, %24, %16
ret void
}