#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 *);
void usage(void) {
  printf("Usage:\n");
  printf("\tfnet create veth dev1 dev2 bridge child\n");
  printf("\tfnet create macvlan dev parent child\n");
  printf("\tfnet moveif dev proc\n");
  printf("\tfnet printif\n");
  printf("\tfnet printif scan\n");
  printf("\tfnet config interface dev ip mask mtu\n");
  printf("\tfnet config mac addr\n");
  printf("\tfnet config ipv6 dev ip\n");
  printf("\tfnet ifup dev\n");
  printf("\tfnet waitll dev\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
call   1030 <printf@plt>
lea    0xeff(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf25(%rip),%rdi
call   1030 <printf@plt>
lea    0xf28(%rip),%rdi
call   1030 <printf@plt>
lea    0xf30(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf57(%rip),%rdi
call   1030 <printf@plt>
lea    0xf65(%rip),%rdi
call   1030 <printf@plt>
lea    0xf69(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xee3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf24(%rip),%rdi
call   1030 <puts@plt>
lea    0xf26(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf48(%rip),%rdi
call   1030 <puts@plt>
lea    0xf52(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf62(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"Usage:\0A\00"
@.str.1 = [42 x i8] c"\09fnet create veth dev1 dev2 bridge child\0A\00"
@.str.2 = [39 x i8] c"\09fnet create macvlan dev parent child\0A\00"
@.str.3 = [23 x i8] c"\09fnet moveif dev proc\0A\00"
@.str.4 = [15 x i8] c"\09fnet printif\0A\00"
@.str.5 = [20 x i8] c"\09fnet printif scan\0A\00"
@.str.6 = [40 x i8] c"\09fnet config interface dev ip mask mtu\0A\00"
@.str.7 = [23 x i8] c"\09fnet config mac addr\0A\00"
@.str.8 = [26 x i8] c"\09fnet config ipv6 dev ip\0A\00"
@.str.9 = [16 x i8] c"\09fnet ifup dev\0A\00"
@.str.10 = [18 x i8] c"\09fnet waitll dev\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.9, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.10, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [7 x i8] c"Usage:\00"
@str.11 = [41 x i8] c"\09fnet create veth dev1 dev2 bridge child\00"
@str.12 = [38 x i8] c"\09fnet create macvlan dev parent child\00"
@str.13 = [22 x i8] c"\09fnet moveif dev proc\00"
@str.14 = [14 x i8] c"\09fnet printif\00"
@str.15 = [19 x i8] c"\09fnet printif scan\00"
@str.16 = [39 x i8] c"\09fnet config interface dev ip mask mtu\00"
@str.17 = [22 x i8] c"\09fnet config mac addr\00"
@str.18 = [25 x i8] c"\09fnet config ipv6 dev ip\00"
@str.19 = [15 x i8] c"\09fnet ifup dev\00"
@str.20 = [17 x i8] c"\09fnet waitll dev\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.11, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.12, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.13, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.14, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.15, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str.16, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.17, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.18, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str.19, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.20, i64 0, i64 0))
ret void
}