#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*/ fgets(char *, int, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ sscanf(char *, char *, int *);
int /*<<< orphan*/ stdin;
int main(int argc, char *argv[]) {
  int zenbatDig, n, gainBorna;
  char str[128];
  printf("Emaidazu zenbaki oso bat: ");
  fgets(str, 128, stdin);
  sscanf(str, "%d", &n);
  zenbatDig = 1;
  gainBorna = 10;
  while (gainBorna <= n) {
    zenbatDig++;
    gainBorna *= 10;
  }
  printf("%d zenbakia adierazteko %d digitu behar dira\n", n, zenbatDig);
  printf("Sakatu \"return\" amaitzeko .....");
  fgets(str, 128, stdin);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xa0,%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    -0xa0(%rbp),%rdi
mov    0x2e83(%rip),%rax
mov    (%rax),%edx
mov    $0x80,%esi
call   1040 <fgets@plt>
lea    -0xa0(%rbp),%rdi
lea    0xe9c(%rip),%rsi
lea    -0x18(%rbp),%rdx
call   1050 <sscanf@plt>
movl   $0x1,-0x14(%rbp)
movl   $0xa,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x18(%rbp),%eax
jg     11b7 <main+0x87>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
imul   $0xa,-0x1c(%rbp),%eax
mov    %eax,-0x1c(%rbp)
jmp    1196 <main+0x66>
mov    -0x18(%rbp),%esi
mov    -0x14(%rbp),%edx
lea    0xe5a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe7a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0xa0(%rbp),%rdi
mov    0x2e01(%rip),%rax
mov    (%rax),%edx
mov    $0x80,%esi
call   1040 <fgets@plt>
xor    %eax,%eax
add    $0xa0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x98,%rsp
lea    0xebf(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x2e99(%rip),%r14
mov    (%r14),%edx
lea    0x10(%rsp),%rbx
mov    %rbx,%rdi
mov    $0x80,%esi
call   1040 <fgets@plt>
lea    0xeb0(%rip),%rsi
lea    0xc(%rsp),%rdx
mov    %rbx,%rdi
call   1050 <sscanf@plt>
mov    0xc(%rsp),%esi
mov    $0x1,%edx
cmp    $0xa,%esi
jl     119c <main+0x6c>
mov    $0x1,%edx
mov    $0xa,%eax
add    $0x1,%edx
add    %eax,%eax
lea    (%rax,%rax,4),%eax
cmp    %esi,%eax
jle    1190 <main+0x60>
lea    0xe7b(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe9b(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    (%r14),%edx
lea    0x10(%rsp),%rdi
mov    $0x80,%esi
call   1040 <fgets@plt>
xor    %eax,%eax
add    $0x98,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Emaidazu zenbaki oso bat: \00"
@stdin = global i32 0
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [46 x i8] c"%d zenbakia adierazteko %d digitu behar dira\0A\00"
@.str.3 = [32 x i8] c"Sakatu \22return\22 amaitzeko .....\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca [128 x i8]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%11 = getelementptr inbounds [128 x i8], [128 x i8]* %9, i64 0, i64 0
%12 = load i32, i32* @stdin
%13 = call i32 @fgets(i8* %11, i32 128, i32 %12)
%14 = getelementptr inbounds [128 x i8], [128 x i8]* %9, i64 0, i64 0
%15 = call i32 @sscanf(i8* %14, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %7)
store i32 1, i32* %6
store i32 10, i32* %8
br label %16
16: ; preds = %20, %2
%17 = load i32, i32* %8
%18 = load i32, i32* %7
%19 = icmp sle i32 %17, %18
br i1 %19, label %20, label %25
20: ; preds = %16
%21 = load i32, i32* %6
%22 = add nsw i32 %21, 1
store i32 %22, i32* %6
%23 = load i32, i32* %8
%24 = mul nsw i32 %23, 10
store i32 %24, i32* %8
br label %16
25: ; preds = %16
%26 = load i32, i32* %7
%27 = load i32, i32* %6
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0), i32 %26, i32 %27)
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%30 = getelementptr inbounds [128 x i8], [128 x i8]* %9, i64 0, i64 0
%31 = load i32, i32* @stdin
%32 = call i32 @fgets(i8* %30, i32 128, i32 %31)
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Emaidazu zenbaki oso bat: \00"
@stdin = global i32 0
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [46 x i8] c"%d zenbakia adierazteko %d digitu behar dira\0A\00"
@.str.3 = [32 x i8] c"Sakatu \22return\22 amaitzeko .....\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca [128 x i8]
%5 = bitcast i32* %3 to i8*
%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 ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%8 = load i32, i32* @stdin
%9 = call i32 @fgets(i8* %6, i32 128, i32 %8)
%10 = call i32 @sscanf(i8* %6, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%11 = load i32, i32* %3
%12 = icmp slt i32 %11, 10
br i1 %12, label %19, label %13
13: ; preds = %2, %13
%14 = phi i32 [ %17, %13 ], [ 10, %2 ]
%15 = phi i32 [ %16, %13 ], [ 1, %2 ]
%16 = add nuw nsw i32 %15, 1
%17 = mul nsw i32 %14, 10
%18 = icmp sgt i32 %17, %11
br i1 %18, label %19, label %13
19: ; preds = %13, %2
%20 = phi i32 [ 1, %2 ], [ %16, %13 ]
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0), i32 %11, i32 %20)
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%23 = load i32, i32* @stdin
%24 = call i32 @fgets(i8* %6, i32 128, i32 %23)
ret i32 0
}