#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*/ ENAMETOOLONG;
int /*<<< orphan*/ ENOMEM;
int /*<<< orphan*/ EX_DATAERR;
int /*<<< orphan*/ EX_NOPERM;
int /*<<< orphan*/ EX_OSERR;
int /*<<< orphan*/ EX_USAGE;
int /*<<< orphan*/ O_RDWR;
int /*<<< orphan*/ TIOCNXCL;
int /*<<< orphan*/ _PC_PATH_MAX;
char *basename(char *);
int /*<<< orphan*/ errno;
int /*<<< orphan*/ errx(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ free(char *);
scalar_t__ geteuid();
scalar_t__ ioctl(int, int /*<<< orphan*/, int /*<<< orphan*/);
char *malloc(size_t);
int open(char *, int /*<<< orphan*/);
size_t pathconf(char *, int /*<<< orphan*/);
size_t snprintf(char *, size_t, char *, char *, char *);
int strlen(char *);
int /*<<< orphan*/ warnc(int /*<<< orphan*/, char *, ...);
int main(int argc, char *argv[]) {
  char *progname;
  char *ttyname;
  int fd;
  int dofree;
  dofree = 0;
  progname = basename(argv[0]);
  if (argc != 2)
    errx(EX_USAGE, "usage: %s <ttyname>\n", progname);
  if (geteuid() != 0)
    errx(EX_NOPERM, "Sorry\n");
  if (argv[1][0] == '/') {
    ttyname = argv[1];
  } else {
    size_t len, maxpath, result;
    len = strlen(argv[1]) + sizeof("/dev") + 1;
    maxpath = pathconf("/dev", _PC_PATH_MAX);
    if (len > maxpath) {
      warnc(ENAMETOOLONG, ttyname);
      exit(EX_DATAERR);
    }
    ttyname = malloc(len);
    if (ttyname == NULL) {
      warnc(ENOMEM, "malloc");
      exit(EX_OSERR);
    }
    dofree = 1;
    result = snprintf(ttyname, len, "%s/%s", "/dev", argv[1]);
    if (result >= len)
      warnc(ENOMEM, "snprintf");
  }
  fd = open(ttyname, O_RDWR);
  if (fd == -1) {
    warnc(errno, "open %s", ttyname);
    if (dofree)
      free(ttyname);
    exit(EX_OSERR);
  }
  if (0 != ioctl(fd, TIOCNXCL, 0))
    warnc(errno, "ioctl TIOCNXCL %s", ttyname);
  if (dofree)
    free(ttyname);
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x28(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
call   10a0 <basename@plt>
mov    %rax,-0x18(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     1212 <main+0x52>
mov    0x2dd2(%rip),%rax
mov    (%rax),%edi
mov    -0x18(%rbp),%rdx
lea    0xdf5(%rip),%rsi
mov    $0x0,%al
call   1060 <errx@plt>
mov    $0x0,%al
call   1080 <geteuid@plt>
cmp    $0x0,%rax
je     123a <main+0x7a>
mov    0x2db6(%rip),%rax
mov    (%rax),%edi
lea    0xde2(%rip),%rsi
mov    $0x0,%al
call   1060 <errx@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
movsbl (%rax),%eax
cmp    $0x2f,%eax
jne    125f <main+0x9f>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x20(%rbp)
jmp    1358 <main+0x198>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <strlen@plt>
cltq
add    $0x5,%rax
add    $0x1,%rax
mov    %rax,-0x30(%rbp)
mov    0x2d2f(%rip),%rax
mov    (%rax),%esi
lea    0xd92(%rip),%rdi
call   1040 <pathconf@plt>
mov    %rax,-0x38(%rbp)
mov    -0x30(%rbp),%rax
cmp    -0x38(%rbp),%rax
jbe    12c3 <main+0x103>
mov    0x2cf8(%rip),%rax
mov    (%rax),%edi
mov    -0x20(%rbp),%rsi
mov    $0x0,%al
call   10b0 <warnc@plt>
mov    0x2d0c(%rip),%rax
mov    (%rax),%edi
call   10e0 <exit@plt>
mov    -0x30(%rbp),%rdi
call   10c0 <malloc@plt>
mov    %rax,-0x20(%rbp)
cmpq   $0x0,-0x20(%rbp)
jne    1300 <main+0x140>
mov    0x2cd6(%rip),%rax
mov    (%rax),%edi
lea    0xd36(%rip),%rsi
mov    $0x0,%al
call   10b0 <warnc@plt>
mov    0x2c9f(%rip),%rax
mov    (%rax),%edi
call   10e0 <exit@plt>
movl   $0x1,-0x28(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x30(%rbp),%rsi
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%r8
lea    0xd0a(%rip),%rdx
lea    0xcf7(%rip),%rcx
call   1070 <snprintf@plt>
mov    %rax,-0x40(%rbp)
mov    -0x40(%rbp),%rax
cmp    -0x30(%rbp),%rax
jb     1353 <main+0x193>
mov    0x2c75(%rip),%rax
mov    (%rax),%edi
lea    0xce2(%rip),%rsi
mov    $0x0,%al
call   10b0 <warnc@plt>
jmp    1358 <main+0x198>
mov    -0x20(%rbp),%rdi
mov    0x2c85(%rip),%rax
mov    (%rax),%esi
call   10d0 <open@plt>
mov    %eax,-0x24(%rbp)
cmpl   $0xffffffff,-0x24(%rbp)
jne    13b3 <main+0x1f3>
mov    0x2c2a(%rip),%rax
mov    (%rax),%edi
mov    -0x20(%rbp),%rdx
lea    0xcac(%rip),%rsi
mov    $0x0,%al
call   10b0 <warnc@plt>
cmpl   $0x0,-0x28(%rbp)
je     13a5 <main+0x1e5>
mov    -0x20(%rbp),%rdi
call   1030 <free@plt>
mov    0x2bec(%rip),%rax
mov    (%rax),%edi
call   10e0 <exit@plt>
mov    -0x24(%rbp),%edi
mov    0x2c1b(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1090 <ioctl@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
je     13ef <main+0x22f>
mov    0x2bcd(%rip),%rax
mov    (%rax),%edi
mov    -0x20(%rbp),%rdx
lea    0xc57(%rip),%rsi
mov    $0x0,%al
call   10b0 <warnc@plt>
cmpl   $0x0,-0x28(%rbp)
je     1402 <main+0x242>
mov    -0x20(%rbp),%rdi
call   1030 <free@plt>
xor    %edi,%edi
call   10e0 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rsi,%r14
mov    %edi,%ebx
mov    (%rsi),%rdi
call   10a0 <basename@plt>
cmp    $0x2,%ebx
je     11f3 <main+0x33>
mov    0x2df0(%rip),%rcx
mov    (%rcx),%edi
lea    0xe17(%rip),%rsi
mov    %rax,%rdx
xor    %eax,%eax
call   1060 <errx@plt>
xor    %eax,%eax
call   1080 <geteuid@plt>
test   %rax,%rax
je     1216 <main+0x56>
mov    0x2dda(%rip),%rax
mov    (%rax),%edi
lea    0xe06(%rip),%rsi
xor    %eax,%eax
call   1060 <errx@plt>
mov    0x8(%r14),%r15
mov    (%r15),%bpl
cmp    $0x2f,%bpl
jne    126a <main+0xaa>
mov    0x2dbe(%rip),%rax
mov    (%rax),%esi
mov    %r15,%rdi
call   10d0 <open@plt>
cmp    $0xffffffff,%eax
jne    12b1 <main+0xf1>
mov    0x2d68(%rip),%rax
mov    (%rax),%edi
lea    0xdee(%rip),%rsi
mov    %r15,%rdx
xor    %eax,%eax
call   10b0 <warnc@plt>
cmp    $0x2f,%bpl
je     12f9 <main+0x139>
mov    %r15,%rdi
call   1030 <free@plt>
jmp    12f9 <main+0x139>
mov    %r15,%rdi
call   1050 <strlen@plt>
movslq %eax,%rbx
add    $0x6,%rbx
mov    0x2d30(%rip),%rax
mov    (%rax),%esi
lea    0xd93(%rip),%rdi
call   1040 <pathconf@plt>
cmp    %rax,%rbx
jbe    12d5 <main+0x115>
mov    0x2d06(%rip),%rax
mov    (%rax),%edi
xor    %eax,%eax
call   10b0 <warnc@plt>
mov    0x2d1e(%rip),%rax
mov    (%rax),%edi
call   10e0 <exit@plt>
mov    0x2d20(%rip),%rcx
mov    (%rcx),%esi
mov    %eax,%edi
xor    %edx,%edx
call   1090 <ioctl@plt>
test   %rax,%rax
jne    1307 <main+0x147>
cmp    $0x2f,%bpl
jne    1327 <main+0x167>
xor    %edi,%edi
call   10e0 <exit@plt>
mov    %rbx,%rdi
call   10c0 <malloc@plt>
test   %rax,%rax
jne    1336 <main+0x176>
mov    0x2ccf(%rip),%rax
mov    (%rax),%edi
lea    0xd2f(%rip),%rsi
xor    %eax,%eax
call   10b0 <warnc@plt>
mov    0x2c98(%rip),%rax
mov    (%rax),%edi
call   10e0 <exit@plt>
mov    0x2c9a(%rip),%rax
mov    (%rax),%edi
lea    0xd28(%rip),%rsi
mov    %r15,%rdx
xor    %eax,%eax
call   10b0 <warnc@plt>
cmp    $0x2f,%bpl
je     12ce <main+0x10e>
mov    %r15,%rdi
call   1030 <free@plt>
xor    %edi,%edi
call   10e0 <exit@plt>
mov    %rax,%r15
mov    0x8(%r14),%r8
lea    0xce4(%rip),%rdx
lea    0xcd1(%rip),%rcx
mov    %rax,%rdi
mov    %rbx,%rsi
call   1070 <snprintf@plt>
cmp    %rbx,%rax
jb     1223 <main+0x63>
mov    0x2c52(%rip),%rax
mov    (%rax),%edi
lea    0xcbf(%rip),%rsi
xor    %eax,%eax
call   10b0 <warnc@plt>
jmp    1223 <main+0x63>

LLVM IR (-O0):
@EX_USAGE = global i32 0
@.str = [21 x i8] c"usage: %s <ttyname>\0A\00"
@EX_NOPERM = global i32 0
@.str.1 = [7 x i8] c"Sorry\0A\00"
@.str.2 = [5 x i8] c"/dev\00"
@_PC_PATH_MAX = global i32 0
@ENAMETOOLONG = global i32 0
@EX_DATAERR = global i32 0
@ENOMEM = global i32 0
@.str.3 = [7 x i8] c"malloc\00"
@EX_OSERR = global i32 0
@.str.4 = [6 x i8] c"%s/%s\00"
@.str.5 = [9 x i8] c"snprintf\00"
@O_RDWR = global i32 0
@errno = global i32 0
@.str.6 = [8 x i8] c"open %s\00"
@TIOCNXCL = global i32 0
@.str.7 = [18 x i8] c"ioctl TIOCNXCL %s\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i8*
%8 = alloca i32
%9 = alloca i32
%10 = alloca i64
%11 = alloca i64
%12 = alloca i64
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %9
%13 = load i8**, i8*** %5
%14 = getelementptr inbounds i8*, i8** %13, i64 0
%15 = load i8*, i8** %14
%16 = call i8* @basename(i8* %15)
store i8* %16, i8** %6
%17 = load i32, i32* %4
%18 = icmp ne i32 %17, 2
br i1 %18, label %19, label %23
19: ; preds = %2
%20 = load i32, i32* @EX_USAGE
%21 = load i8*, i8** %6
%22 = call i32 (i32, i8*, ...) @errx(i32 %20, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %21)
br label %23
23: ; preds = %19, %2
%24 = call i64 (...) @geteuid()
%25 = icmp ne i64 %24, 0
br i1 %25, label %26, label %29
26: ; preds = %23
%27 = load i32, i32* @EX_NOPERM
%28 = call i32 (i32, i8*, ...) @errx(i32 %27, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
br label %29
29: ; preds = %26, %23
%30 = load i8**, i8*** %5
%31 = getelementptr inbounds i8*, i8** %30, i64 1
%32 = load i8*, i8** %31
%33 = getelementptr inbounds i8, i8* %32, i64 0
%34 = load i8, i8* %33
%35 = sext i8 %34 to i32
%36 = icmp eq i32 %35, 47
br i1 %36, label %37, label %41
37: ; preds = %29
%38 = load i8**, i8*** %5
%39 = getelementptr inbounds i8*, i8** %38, i64 1
%40 = load i8*, i8** %39
store i8* %40, i8** %7
br label %84
41: ; preds = %29
%42 = load i8**, i8*** %5
%43 = getelementptr inbounds i8*, i8** %42, i64 1
%44 = load i8*, i8** %43
%45 = call i32 @strlen(i8* %44)
%46 = sext i32 %45 to i64
%47 = add i64 %46, 5
%48 = add i64 %47, 1
store i64 %48, i64* %10
%49 = load i32, i32* @_PC_PATH_MAX
%50 = call i64 @pathconf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %49)
store i64 %50, i64* %11
%51 = load i64, i64* %10
%52 = load i64, i64* %11
%53 = icmp ugt i64 %51, %52
br i1 %53, label %54, label %60
54: ; preds = %41
%55 = load i32, i32* @ENAMETOOLONG
%56 = load i8*, i8** %7
%57 = call i32 (i32, i8*, ...) @warnc(i32 %55, i8* %56)
%58 = load i32, i32* @EX_DATAERR
%59 = call i32 @exit(i32 %58)
unreachable
60: ; preds = %41
%61 = load i64, i64* %10
%62 = call i8* @malloc(i64 %61)
store i8* %62, i8** %7
%63 = load i8*, i8** %7
%64 = icmp eq i8* %63, null
br i1 %64, label %65, label %70
65: ; preds = %60
%66 = load i32, i32* @ENOMEM
%67 = call i32 (i32, i8*, ...) @warnc(i32 %66, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%68 = load i32, i32* @EX_OSERR
%69 = call i32 @exit(i32 %68)
unreachable
70: ; preds = %60
store i32 1, i32* %9
%71 = load i8*, i8** %7
%72 = load i64, i64* %10
%73 = load i8**, i8*** %5
%74 = getelementptr inbounds i8*, i8** %73, i64 1
%75 = load i8*, i8** %74
%76 = call i64 @snprintf(i8* %71, i64 %72, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* %75)
store i64 %76, i64* %12
%77 = load i64, i64* %12
%78 = load i64, i64* %10
%79 = icmp uge i64 %77, %78
br i1 %79, label %80, label %83
80: ; preds = %70
%81 = load i32, i32* @ENOMEM
%82 = call i32 (i32, i8*, ...) @warnc(i32 %81, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
br label %83
83: ; preds = %80, %70
br label %84
84: ; preds = %83, %37
%85 = load i8*, i8** %7
%86 = load i32, i32* @O_RDWR
%87 = call i32 @open(i8* %85, i32 %86)
store i32 %87, i32* %8
%88 = load i32, i32* %8
%89 = icmp eq i32 %88, -1
br i1 %89, label %90, label %102
90: ; preds = %84
%91 = load i32, i32* @errno
%92 = load i8*, i8** %7
%93 = call i32 (i32, i8*, ...) @warnc(i32 %91, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8* %92)
%94 = load i32, i32* %9
%95 = icmp ne i32 %94, 0
br i1 %95, label %96, label %99
96: ; preds = %90
%97 = load i8*, i8** %7
%98 = call i32 @free(i8* %97)
br label %99
99: ; preds = %96, %90
%100 = load i32, i32* @EX_OSERR
%101 = call i32 @exit(i32 %100)
unreachable
102: ; preds = %84
%103 = load i32, i32* %8
%104 = load i32, i32* @TIOCNXCL
%105 = call i64 @ioctl(i32 %103, i32 %104, i32 0)
%106 = icmp ne i64 0, %105
br i1 %106, label %107, label %111
107: ; preds = %102
%108 = load i32, i32* @errno
%109 = load i8*, i8** %7
%110 = call i32 (i32, i8*, ...) @warnc(i32 %108, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.7, i64 0, i64 0), i8* %109)
br label %111
111: ; preds = %107, %102
%112 = load i32, i32* %9
%113 = icmp ne i32 %112, 0
br i1 %113, label %114, label %117
114: ; preds = %111
%115 = load i8*, i8** %7
%116 = call i32 @free(i8* %115)
br label %117
117: ; preds = %114, %111
%118 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@EX_USAGE = global i32 0
@.str = [21 x i8] c"usage: %s <ttyname>\0A\00"
@EX_NOPERM = global i32 0
@.str.1 = [7 x i8] c"Sorry\0A\00"
@.str.2 = [5 x i8] c"/dev\00"
@_PC_PATH_MAX = global i32 0
@ENAMETOOLONG = global i32 0
@EX_DATAERR = global i32 0
@ENOMEM = global i32 0
@.str.3 = [7 x i8] c"malloc\00"
@EX_OSERR = global i32 0
@.str.4 = [6 x i8] c"%s/%s\00"
@.str.5 = [9 x i8] c"snprintf\00"
@O_RDWR = global i32 0
@errno = global i32 0
@.str.6 = [8 x i8] c"open %s\00"
@TIOCNXCL = global i32 0
@.str.7 = [18 x i8] c"ioctl TIOCNXCL %s\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = load i8*, i8** %1
%4 = tail call i8* @basename(i8* %3)
%5 = icmp eq i32 %0, 2
br i1 %5, label %9, label %6
6: ; preds = %2
%7 = load i32, i32* @EX_USAGE
%8 = tail call i32 (i32, i8*, ...) @errx(i32 %7, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %4)
br label %9
9: ; preds = %6, %2
%10 = tail call i64 (...) @geteuid()
%11 = icmp eq i64 %10, 0
br i1 %11, label %15, label %12
12: ; preds = %9
%13 = load i32, i32* @EX_NOPERM
%14 = tail call i32 (i32, i8*, ...) @errx(i32 %13, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
br label %15
15: ; preds = %12, %9
%16 = getelementptr inbounds i8*, i8** %1, i64 1
%17 = load i8*, i8** %16
%18 = load i8, i8* %17
%19 = icmp eq i8 %18, 47
br i1 %19, label %47, label %20
20: ; preds = %15
%21 = tail call i32 @strlen(i8* %17)
%22 = sext i32 %21 to i64
%23 = add nsw i64 %22, 6
%24 = load i32, i32* @_PC_PATH_MAX
%25 = tail call i64 @pathconf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %24)
%26 = icmp ugt i64 %23, %25
br i1 %26, label %27, label %32
27: ; preds = %20
%28 = load i32, i32* @ENAMETOOLONG
%29 = tail call i32 (i32, i8*, ...) @warnc(i32 %28, i8* undef)
%30 = load i32, i32* @EX_DATAERR
%31 = tail call i32 @exit(i32 %30)
unreachable
32: ; preds = %20
%33 = tail call i8* @malloc(i64 %23)
%34 = icmp eq i8* %33, null
br i1 %34, label %35, label %40
35: ; preds = %32
%36 = load i32, i32* @ENOMEM
%37 = tail call i32 (i32, i8*, ...) @warnc(i32 %36, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%38 = load i32, i32* @EX_OSERR
%39 = tail call i32 @exit(i32 %38)
unreachable
40: ; preds = %32
%41 = load i8*, i8** %16
%42 = tail call i64 @snprintf(i8* %33, i64 %23, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* %41)
%43 = icmp ult i64 %42, %23
br i1 %43, label %47, label %44
44: ; preds = %40
%45 = load i32, i32* @ENOMEM
%46 = tail call i32 (i32, i8*, ...) @warnc(i32 %45, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
br label %47
47: ; preds = %40, %44, %15
%48 = phi i8* [ %17, %15 ], [ %33, %44 ], [ %33, %40 ]
%49 = load i32, i32* @O_RDWR
%50 = tail call i32 @open(i8* %48, i32 %49)
%51 = icmp eq i32 %50, -1
br i1 %51, label %52, label %60
52: ; preds = %47
%53 = load i32, i32* @errno
%54 = tail call i32 (i32, i8*, ...) @warnc(i32 %53, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8* %48)
br i1 %19, label %57, label %55
55: ; preds = %52
%56 = tail call i32 @free(i8* %48)
br label %57
57: ; preds = %55, %52
%58 = load i32, i32* @EX_OSERR
%59 = tail call i32 @exit(i32 %58)
unreachable
60: ; preds = %47
%61 = load i32, i32* @TIOCNXCL
%62 = tail call i64 @ioctl(i32 %50, i32 %61, i32 0)
%63 = icmp eq i64 %62, 0
br i1 %63, label %67, label %64
64: ; preds = %60
%65 = load i32, i32* @errno
%66 = tail call i32 (i32, i8*, ...) @warnc(i32 %65, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.7, i64 0, i64 0), i8* %48)
br label %67
67: ; preds = %64, %60
br i1 %19, label %70, label %68
68: ; preds = %67
%69 = tail call i32 @free(i8* %48)
br label %70
70: ; preds = %68, %67
%71 = tail call i32 @exit(i32 0)
unreachable
}