#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 */
struct stat {
  int st_mode;
};
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int S_IRWXG;
int S_IRWXO;
int /*<<< orphan*/ errno;
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fgets(char *, int, int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char const *, char *);
int sscanf(char *, char *, char *);
scalar_t__ stat(char const *, struct stat *);
char *strdup(char *);
char *strerror(int /*<<< orphan*/);
char *getCredentialsFromFile(const char *filename, char **user, char **pass,
                             char **remuser, char **rempass) {
  struct stat statbuf;
  if (stat(filename, &statbuf) == 0) {
    if (statbuf.st_mode & (S_IRWXG | S_IRWXO)) {
      return strdup("Stricter permissions required for password file");
    }
  } else {
    return strdup(strerror(errno));
  }
  FILE *pwfile = fopen(filename, "r");
  char line[80], buf[80];
  *user = NULL;
  *pass = NULL;
  *remuser = NULL;
  *rempass = NULL;
  if (pwfile) {
    while (fgets(line, 80, pwfile) != NULL) {
      if (sscanf(line, "proxy_user = %s", buf) == 1) {
        *user = strdup(buf);
      } else if (sscanf(line, "proxy_passwd = %s", buf) == 1) {
        *pass = strdup(buf);
      } else if (sscanf(line, "remproxy_user = %s", buf) == 1) {
        *remuser = strdup(buf);
      } else if (sscanf(line, "remproxy_passwd = %s", buf) == 1) {
        *rempass = strdup(buf);
      }
    }
    fclose(pwfile);
    if (*user == NULL && *pass == NULL && *remuser == NULL &&
        *rempass == NULL) {
      return strdup("proxy_user & proxy_passwd not found in password file");
    } else {
      return NULL;
    }
  }
  return strdup("Error opening password file");
}


x86 assembly (clang, -O0):
<getCredentialsFromFile>:
push   %rbp
mov    %rsp,%rbp
sub    $0xe0,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    %rdx,-0x20(%rbp)
mov    %rcx,-0x28(%rbp)
mov    %r8,-0x30(%rbp)
mov    -0x10(%rbp),%rdi
lea    -0x38(%rbp),%rsi
call   1050 <stat@plt>
cmp    $0x0,%rax
jne    11e0 <getCredentialsFromFile+0x70>
mov    -0x38(%rbp),%eax
mov    0x2e30(%rip),%rcx
mov    (%rcx),%ecx
mov    0x2e37(%rip),%rdx
or     (%rdx),%ecx
and    %ecx,%eax
cmp    $0x0,%eax
je     11db <getCredentialsFromFile+0x6b>
lea    0xe33(%rip),%rdi
call   1080 <strdup@plt>
mov    %rax,-0x8(%rbp)
jmp    13e8 <getCredentialsFromFile+0x278>
jmp    11ff <getCredentialsFromFile+0x8f>
mov    0x2de9(%rip),%rax
mov    (%rax),%edi
call   1090 <strerror@plt>
mov    %rax,%rdi
call   1080 <strdup@plt>
mov    %rax,-0x8(%rbp)
jmp    13e8 <getCredentialsFromFile+0x278>
mov    -0x10(%rbp),%rdi
lea    0xe26(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,-0x40(%rbp)
mov    -0x18(%rbp),%rax
movq   $0x0,(%rax)
mov    -0x20(%rbp),%rax
movq   $0x0,(%rax)
mov    -0x28(%rbp),%rax
movq   $0x0,(%rax)
mov    -0x30(%rbp),%rax
movq   $0x0,(%rax)
cmpq   $0x0,-0x40(%rbp)
je     13d8 <getCredentialsFromFile+0x268>
jmp    124f <getCredentialsFromFile+0xdf>
lea    -0x90(%rbp),%rdi
mov    -0x40(%rbp),%rdx
mov    $0x50,%esi
call   1040 <fgets@plt>
cmp    $0x0,%rax
je     1375 <getCredentialsFromFile+0x205>
lea    -0x90(%rbp),%rdi
lea    -0xe0(%rbp),%rdx
lea    0xdb2(%rip),%rsi
call   1060 <sscanf@plt>
cmp    $0x1,%eax
jne    12ac <getCredentialsFromFile+0x13c>
lea    -0xe0(%rbp),%rdi
call   1080 <strdup@plt>
mov    %rax,%rcx
mov    -0x18(%rbp),%rax
mov    %rcx,(%rax)
jmp    1370 <getCredentialsFromFile+0x200>
lea    -0x90(%rbp),%rdi
lea    -0xe0(%rbp),%rdx
lea    0xd87(%rip),%rsi
call   1060 <sscanf@plt>
cmp    $0x1,%eax
jne    12ea <getCredentialsFromFile+0x17a>
lea    -0xe0(%rbp),%rdi
call   1080 <strdup@plt>
mov    %rax,%rcx
mov    -0x20(%rbp),%rax
mov    %rcx,(%rax)
jmp    136b <getCredentialsFromFile+0x1fb>
lea    -0x90(%rbp),%rdi
lea    -0xe0(%rbp),%rdx
lea    0xd33(%rip),%rsi
call   1060 <sscanf@plt>
cmp    $0x1,%eax
jne    1328 <getCredentialsFromFile+0x1b8>
lea    -0xe0(%rbp),%rdi
call   1080 <strdup@plt>
mov    %rax,%rcx
mov    -0x28(%rbp),%rax
mov    %rcx,(%rax)
jmp    1366 <getCredentialsFromFile+0x1f6>
lea    -0x90(%rbp),%rdi
lea    -0xe0(%rbp),%rdx
lea    0xd08(%rip),%rsi
call   1060 <sscanf@plt>
cmp    $0x1,%eax
jne    1361 <getCredentialsFromFile+0x1f1>
lea    -0xe0(%rbp),%rdi
call   1080 <strdup@plt>
mov    %rax,%rcx
mov    -0x30(%rbp),%rax
mov    %rcx,(%rax)
jmp    1366 <getCredentialsFromFile+0x1f6>
jmp    136b <getCredentialsFromFile+0x1fb>
jmp    1370 <getCredentialsFromFile+0x200>
jmp    124f <getCredentialsFromFile+0xdf>
mov    -0x40(%rbp),%rdi
call   1030 <fclose@plt>
mov    -0x18(%rbp),%rax
cmpq   $0x0,(%rax)
jne    13cb <getCredentialsFromFile+0x25b>
mov    -0x20(%rbp),%rax
cmpq   $0x0,(%rax)
jne    13cb <getCredentialsFromFile+0x25b>
mov    -0x28(%rbp),%rax
cmpq   $0x0,(%rax)
jne    13cb <getCredentialsFromFile+0x25b>
mov    -0x30(%rbp),%rax
cmpq   $0x0,(%rax)
jne    13cb <getCredentialsFromFile+0x25b>
lea    0xc9d(%rip),%rdi
call   1080 <strdup@plt>
mov    %rax,-0x8(%rbp)
jmp    13e8 <getCredentialsFromFile+0x278>
movq   $0x0,-0x8(%rbp)
jmp    13e8 <getCredentialsFromFile+0x278>
lea    0xcb0(%rip),%rdi
call   1080 <strdup@plt>
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0xe0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<getCredentialsFromFile>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0xc8,%rsp
mov    %r8,%r14
mov    %rcx,%rbx
mov    %rdx,%r12
mov    %rsi,%r15
mov    %rdi,%rbp
lea    0x8(%rsp),%rsi
call   1050 <stat@plt>
test   %rax,%rax
je     11b2 <getCredentialsFromFile+0x42>
mov    0x2e2a(%rip),%rax
mov    (%rax),%edi
call   1090 <strerror@plt>
mov    %rax,%rdi
jmp    11d1 <getCredentialsFromFile+0x61>
mov    0x2e27(%rip),%rax
mov    0x2e30(%rip),%rcx
mov    (%rcx),%ecx
or     (%rax),%ecx
test   %ecx,0x8(%rsp)
je     11e8 <getCredentialsFromFile+0x78>
lea    0xe2f(%rip),%rdi
call   1080 <strdup@plt>
add    $0xc8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret
lea    0xe41(%rip),%rsi
mov    %rbp,%rdi
call   1070 <fopen@plt>
movq   $0x0,(%r15)
movq   $0x0,(%r12)
movq   $0x0,(%rbx)
movq   $0x0,(%r14)
test   %rax,%rax
je     1316 <getCredentialsFromFile+0x1a6>
mov    %rax,%r13
mov    %rbx,0x18(%rsp)
mov    %r14,0x10(%rsp)
lea    0x20(%rsp),%rdi
mov    $0x50,%esi
mov    %rax,%rdx
call   1040 <fgets@plt>
test   %rax,%rax
je     12e4 <getCredentialsFromFile+0x174>
lea    0x20(%rsp),%r14
lea    0x70(%rsp),%rbp
nop
mov    %r14,%rdi
lea    0xddb(%rip),%rsi
mov    %rbp,%rdx
call   1060 <sscanf@plt>
mov    %r15,%rbx
cmp    $0x1,%eax
je     12c0 <getCredentialsFromFile+0x150>
mov    %r14,%rdi
lea    0xdd4(%rip),%rsi
mov    %rbp,%rdx
call   1060 <sscanf@plt>
mov    %r12,%rbx
cmp    $0x1,%eax
je     12c0 <getCredentialsFromFile+0x150>
mov    %r14,%rdi
lea    0xda4(%rip),%rsi
mov    %rbp,%rdx
call   1060 <sscanf@plt>
mov    0x18(%rsp),%rbx
cmp    $0x1,%eax
je     12c0 <getCredentialsFromFile+0x150>
mov    %r14,%rdi
lea    0xd9b(%rip),%rsi
mov    %rbp,%rdx
call   1060 <sscanf@plt>
mov    0x10(%rsp),%rbx
cmp    $0x1,%eax
jne    12cb <getCredentialsFromFile+0x15b>
nopl   0x0(%rax)
mov    %rbp,%rdi
call   1080 <strdup@plt>
mov    %rax,(%rbx)
mov    %r14,%rdi
mov    $0x50,%esi
mov    %r13,%rdx
call   1040 <fgets@plt>
test   %rax,%rax
jne    1250 <getCredentialsFromFile+0xe0>
mov    %r13,%rdi
call   1030 <fclose@plt>
cmpq   $0x0,(%r15)
jne    130f <getCredentialsFromFile+0x19f>
cmpq   $0x0,(%r12)
jne    130f <getCredentialsFromFile+0x19f>
mov    0x18(%rsp),%rax
cmpq   $0x0,(%rax)
jne    130f <getCredentialsFromFile+0x19f>
mov    0x10(%rsp),%rax
cmpq   $0x0,(%rax)
je     1322 <getCredentialsFromFile+0x1b2>
xor    %eax,%eax
jmp    11d6 <getCredentialsFromFile+0x66>
lea    0xd72(%rip),%rdi
jmp    11d1 <getCredentialsFromFile+0x61>
lea    0xd31(%rip),%rdi
jmp    11d1 <getCredentialsFromFile+0x61>

LLVM IR (-O0):
%struct.stat = type { i32 }
@S_IRWXG = global i32 0
@S_IRWXO = global i32 0
@.str = [48 x i8] c"Stricter permissions required for password file\00"
@errno = global i32 0
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [16 x i8] c"proxy_user = %s\00"
@.str.3 = [18 x i8] c"proxy_passwd = %s\00"
@.str.4 = [19 x i8] c"remproxy_user = %s\00"
@.str.5 = [21 x i8] c"remproxy_passwd = %s\00"
@.str.6 = [53 x i8] c"proxy_user & proxy_passwd not found in password file\00"
@.str.7 = [28 x i8] c"Error opening password file\00"
define i8* @getCredentialsFromFile(i8* %0, i8** %1, i8** %2, i8** %3, i8** %4) {
%6 = alloca i8*
%7 = alloca i8*
%8 = alloca i8**
%9 = alloca i8**
%10 = alloca i8**
%11 = alloca i8**
%12 = alloca %struct.stat
%13 = alloca i32*
%14 = alloca [80 x i8]
%15 = alloca [80 x i8]
store i8* %0, i8** %7
store i8** %1, i8*** %8
store i8** %2, i8*** %9
store i8** %3, i8*** %10
store i8** %4, i8*** %11
%16 = load i8*, i8** %7
%17 = call i64 @stat(i8* %16, %struct.stat* %12)
%18 = icmp eq i64 %17, 0
br i1 %18, label %19, label %30
19: ; preds = %5
%20 = getelementptr inbounds %struct.stat, %struct.stat* %12, i32 0, i32 0
%21 = load i32, i32* %20
%22 = load i32, i32* @S_IRWXG
%23 = load i32, i32* @S_IRWXO
%24 = or i32 %22, %23
%25 = and i32 %21, %24
%26 = icmp ne i32 %25, 0
br i1 %26, label %27, label %29
27: ; preds = %19
%28 = call i8* @strdup(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0))
store i8* %28, i8** %6
br label %112
29: ; preds = %19
br label %34
30: ; preds = %5
%31 = load i32, i32* @errno
%32 = call i8* @strerror(i32 %31)
%33 = call i8* @strdup(i8* %32)
store i8* %33, i8** %6
br label %112
34: ; preds = %29
%35 = load i8*, i8** %7
%36 = call i32* @fopen(i8* %35, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %36, i32** %13
%37 = load i8**, i8*** %8
store i8* null, i8** %37
%38 = load i8**, i8*** %9
store i8* null, i8** %38
%39 = load i8**, i8*** %10
store i8* null, i8** %39
%40 = load i8**, i8*** %11
store i8* null, i8** %40
%41 = load i32*, i32** %13
%42 = icmp ne i32* %41, null
br i1 %42, label %43, label %110
43: ; preds = %34
br label %44
44: ; preds = %88, %43
%45 = getelementptr inbounds [80 x i8], [80 x i8]* %14, i64 0, i64 0
%46 = load i32*, i32** %13
%47 = call i32* @fgets(i8* %45, i32 80, i32* %46)
%48 = icmp ne i32* %47, null
br i1 %48, label %49, label %89
49: ; preds = %44
%50 = getelementptr inbounds [80 x i8], [80 x i8]* %14, i64 0, i64 0
%51 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%52 = call i32 @sscanf(i8* %50, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), i8* %51)
%53 = icmp eq i32 %52, 1
br i1 %53, label %54, label %58
54: ; preds = %49
%55 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%56 = call i8* @strdup(i8* %55)
%57 = load i8**, i8*** %8
store i8* %56, i8** %57
br label %88
58: ; preds = %49
%59 = getelementptr inbounds [80 x i8], [80 x i8]* %14, i64 0, i64 0
%60 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%61 = call i32 @sscanf(i8* %59, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i8* %60)
%62 = icmp eq i32 %61, 1
br i1 %62, label %63, label %67
63: ; preds = %58
%64 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%65 = call i8* @strdup(i8* %64)
%66 = load i8**, i8*** %9
store i8* %65, i8** %66
br label %87
67: ; preds = %58
%68 = getelementptr inbounds [80 x i8], [80 x i8]* %14, i64 0, i64 0
%69 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%70 = call i32 @sscanf(i8* %68, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8* %69)
%71 = icmp eq i32 %70, 1
br i1 %71, label %72, label %76
72: ; preds = %67
%73 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%74 = call i8* @strdup(i8* %73)
%75 = load i8**, i8*** %10
store i8* %74, i8** %75
br label %86
76: ; preds = %67
%77 = getelementptr inbounds [80 x i8], [80 x i8]* %14, i64 0, i64 0
%78 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%79 = call i32 @sscanf(i8* %77, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0), i8* %78)
%80 = icmp eq i32 %79, 1
br i1 %80, label %81, label %85
81: ; preds = %76
%82 = getelementptr inbounds [80 x i8], [80 x i8]* %15, i64 0, i64 0
%83 = call i8* @strdup(i8* %82)
%84 = load i8**, i8*** %11
store i8* %83, i8** %84
br label %85
85: ; preds = %81, %76
br label %86
86: ; preds = %85, %72
br label %87
87: ; preds = %86, %63
br label %88
88: ; preds = %87, %54
br label %44
89: ; preds = %44
%90 = load i32*, i32** %13
%91 = call i32 @fclose(i32* %90)
%92 = load i8**, i8*** %8
%93 = load i8*, i8** %92
%94 = icmp eq i8* %93, null
br i1 %94, label %95, label %109
95: ; preds = %89
%96 = load i8**, i8*** %9
%97 = load i8*, i8** %96
%98 = icmp eq i8* %97, null
br i1 %98, label %99, label %109
99: ; preds = %95
%100 = load i8**, i8*** %10
%101 = load i8*, i8** %100
%102 = icmp eq i8* %101, null
br i1 %102, label %103, label %109
103: ; preds = %99
%104 = load i8**, i8*** %11
%105 = load i8*, i8** %104
%106 = icmp eq i8* %105, null
br i1 %106, label %107, label %109
107: ; preds = %103
%108 = call i8* @strdup(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.6, i64 0, i64 0))
store i8* %108, i8** %6
br label %112
109: ; preds = %103, %99, %95, %89
store i8* null, i8** %6
br label %112
110: ; preds = %34
%111 = call i8* @strdup(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.7, i64 0, i64 0))
store i8* %111, i8** %6
br label %112
112: ; preds = %110, %109, %107, %30, %27
%113 = load i8*, i8** %6
ret i8* %113
}

LLVM IR (-O2):
%struct.stat = type { i32 }
@S_IRWXG = global i32 0
@S_IRWXO = global i32 0
@.str = [48 x i8] c"Stricter permissions required for password file\00"
@errno = global i32 0
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [16 x i8] c"proxy_user = %s\00"
@.str.3 = [18 x i8] c"proxy_passwd = %s\00"
@.str.4 = [19 x i8] c"remproxy_user = %s\00"
@.str.5 = [21 x i8] c"remproxy_passwd = %s\00"
@.str.6 = [53 x i8] c"proxy_user & proxy_passwd not found in password file\00"
@.str.7 = [28 x i8] c"Error opening password file\00"
define noalias i8* @getCredentialsFromFile(i8* %0, i8** nocapture %1, i8** nocapture %2, i8** nocapture %3, i8** nocapture %4) {
%6 = alloca %struct.stat
%7 = alloca [80 x i8]
%8 = alloca [80 x i8]
%9 = bitcast %struct.stat* %6 to i8*
%10 = call i64 @stat(i8* %0, %struct.stat* %6)
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %22
12: ; preds = %5
%13 = getelementptr inbounds %struct.stat, %struct.stat* %6, i64 0, i32 0
%14 = load i32, i32* %13
%15 = load i32, i32* @S_IRWXG
%16 = load i32, i32* @S_IRWXO
%17 = or i32 %16, %15
%18 = and i32 %17, %14
%19 = icmp eq i32 %18, 0
br i1 %19, label %26, label %20
20: ; preds = %12
%21 = call dereferenceable_or_null(48) i8* @strdup(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0))
br label %71
22: ; preds = %5
%23 = load i32, i32* @errno
%24 = call i8* @strerror(i32 %23)
%25 = call i8* @strdup(i8* %24)
br label %71
26: ; preds = %12
%27 = call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%28 = getelementptr inbounds [80 x i8], [80 x i8]* %7, i64 0, i64 0
%29 = getelementptr inbounds [80 x i8], [80 x i8]* %8, i64 0, i64 0
store i8* null, i8** %1
store i8* null, i8** %2
store i8* null, i8** %3
store i8* null, i8** %4
%30 = icmp eq i32* %27, null
br i1 %30, label %67, label %31
31: ; preds = %26
%32 = call i32* @fgets(i8* %28, i32 80, i32* %27)
%33 = icmp eq i32* %32, null
br i1 %33, label %52, label %34
34: ; preds = %31, %49
%35 = call i32 @sscanf(i8* %28, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), i8* %29)
%36 = icmp eq i32 %35, 1
br i1 %36, label %46, label %37
37: ; preds = %34
%38 = call i32 @sscanf(i8* %28, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i8* %29)
%39 = icmp eq i32 %38, 1
br i1 %39, label %46, label %40
40: ; preds = %37
%41 = call i32 @sscanf(i8* %28, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8* %29)
%42 = icmp eq i32 %41, 1
br i1 %42, label %46, label %43
43: ; preds = %40
%44 = call i32 @sscanf(i8* %28, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0), i8* %29)
%45 = icmp eq i32 %44, 1
br i1 %45, label %46, label %49
46: ; preds = %43, %40, %37, %34
%47 = phi i8** [ %1, %34 ], [ %2, %37 ], [ %3, %40 ], [ %4, %43 ]
%48 = call i8* @strdup(i8* %29)
store i8* %48, i8** %47
br label %49
49: ; preds = %46, %43
%50 = call i32* @fgets(i8* %28, i32 80, i32* %27)
%51 = icmp eq i32* %50, null
br i1 %51, label %52, label %34
52: ; preds = %49, %31
%53 = call i32 @fclose(i32* %27)
%54 = load i8*, i8** %1
%55 = icmp eq i8* %54, null
br i1 %55, label %56, label %69
56: ; preds = %52
%57 = load i8*, i8** %2
%58 = icmp eq i8* %57, null
br i1 %58, label %59, label %69
59: ; preds = %56
%60 = load i8*, i8** %3
%61 = icmp eq i8* %60, null
br i1 %61, label %62, label %69
62: ; preds = %59
%63 = load i8*, i8** %4
%64 = icmp eq i8* %63, null
br i1 %64, label %65, label %69
65: ; preds = %62
%66 = call dereferenceable_or_null(53) i8* @strdup(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.6, i64 0, i64 0))
br label %69
67: ; preds = %26
%68 = call dereferenceable_or_null(28) i8* @strdup(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.7, i64 0, i64 0))
br label %69
69: ; preds = %52, %56, %59, %62, %67, %65
%70 = phi i8* [ %66, %65 ], [ %68, %67 ], [ null, %62 ], [ null, %59 ], [ null, %56 ], [ null, %52 ]
br label %71
71: ; preds = %69, %22, %20
%72 = phi i8* [ %21, %20 ], [ %70, %69 ], [ %25, %22 ]
ret i8* %72
}