#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*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, char *);
scalar_t__ strend(char *, char *);
int main(int argc, char **argv) {
  char str1[128];
  char str2[128];
  printf("input your prefix:");
  scanf("%s", str1);
  printf("input yoru suffix:");
  scanf("%s", str2);
  if (strend(str1, str2)) {
    printf("'%s' match '%s' at end\n", str2, str1);
  } else {
    printf("there are no resemblance between '%s' and '%s'\n", str1, str2);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x110,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x90(%rbp),%rsi
lea    0xeae(%rip),%rdi
call   1050 <scanf@plt>
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x110(%rbp),%rsi
lea    0xe8d(%rip),%rdi
call   1050 <scanf@plt>
lea    -0x90(%rbp),%rdi
lea    -0x110(%rbp),%rsi
call   1040 <strend@plt>
cmp    $0x0,%rax
je     11c9 <main+0x99>
lea    -0x110(%rbp),%rsi
lea    -0x90(%rbp),%rdx
lea    0xe6c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11e5 <main+0xb5>
lea    -0x90(%rbp),%rsi
lea    -0x110(%rbp),%rdx
lea    0xe63(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x110,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x100,%rsp
lea    0xebd(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec2(%rip),%r15
lea    0x80(%rsp),%r14
mov    %r15,%rdi
mov    %r14,%rsi
call   1050 <scanf@plt>
lea    0xeab(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rsp,%rbx
mov    %r15,%rdi
mov    %rbx,%rsi
call   1050 <scanf@plt>
mov    %r14,%rdi
mov    %rbx,%rsi
call   1040 <strend@plt>
test   %rax,%rax
je     11a4 <main+0x74>
lea    0xe92(%rip),%rdi
mov    %rsp,%rsi
lea    0x80(%rsp),%rdx
jmp    11b6 <main+0x86>
lea    0xe96(%rip),%rdi
lea    0x80(%rsp),%rsi
mov    %rsp,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x100,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [19 x i8] c"input your prefix:\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [19 x i8] c"input yoru suffix:\00"
@.str.3 = [24 x i8] c"'%s' match '%s' at end\0A\00"
@.str.4 = [48 x i8] c"there are no resemblance between '%s' and '%s'\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [128 x i8]
%7 = alloca [128 x i8]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%9 = getelementptr inbounds [128 x i8], [128 x i8]* %6, i64 0, i64 0
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0))
%12 = getelementptr inbounds [128 x i8], [128 x i8]* %7, i64 0, i64 0
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %12)
%14 = getelementptr inbounds [128 x i8], [128 x i8]* %6, i64 0, i64 0
%15 = getelementptr inbounds [128 x i8], [128 x i8]* %7, i64 0, i64 0
%16 = call i64 @strend(i8* %14, i8* %15)
%17 = icmp ne i64 %16, 0
br i1 %17, label %18, label %22
18: ; preds = %2
%19 = getelementptr inbounds [128 x i8], [128 x i8]* %7, i64 0, i64 0
%20 = getelementptr inbounds [128 x i8], [128 x i8]* %6, i64 0, i64 0
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0), i8* %19, i8* %20)
br label %26
22: ; preds = %2
%23 = getelementptr inbounds [128 x i8], [128 x i8]* %6, i64 0, i64 0
%24 = getelementptr inbounds [128 x i8], [128 x i8]* %7, i64 0, i64 0
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0), i8* %23, i8* %24)
br label %26
26: ; preds = %22, %18
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"input your prefix:\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [19 x i8] c"input yoru suffix:\00"
@.str.3 = [24 x i8] c"'%s' match '%s' at end\0A\00"
@.str.4 = [48 x i8] c"there are no resemblance between '%s' and '%s'\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [128 x i8]
%4 = alloca [128 x i8]
%5 = getelementptr inbounds [128 x i8], [128 x i8]* %3, i64 0, i64 0
%6 = getelementptr inbounds [128 x i8], [128 x i8]* %4, i64 0, i64 0
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %5)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %6)
%11 = call i64 @strend(i8* %5, i8* %6)
%12 = icmp eq i64 %11, 0
br i1 %12, label %15, label %13
13: ; preds = %2
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0), i8* %6, i8* %5)
br label %17
15: ; preds = %2
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0), i8* %5, i8* %6)
br label %17
17: ; preds = %15, %13
ret i32 0
}