#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 lconv {
  char *decimal_point;
};

/* Variables and functions */
scalar_t__ ERANGE;
scalar_t__ errno;
int /*<<< orphan*/ ffpmsg(char *);
struct lconv *localeconv();
char *strchr(char const *, char);
int /*<<< orphan*/ strcpy(char *, char const *);
int /*<<< orphan*/ strncat(char *, char const *, int);
scalar_t__ strtod(char const *, char **);
int ffc2rr(const char *cval, float *fval, int *status) {
  char *loc, msg[81], tval[73];
  struct lconv *lcc = 0;
  static char decimalpt = 0;
  short *sptr, iret;
  if (*status > 0)
    return (*status);
  if (!decimalpt) {
    lcc = localeconv();
    decimalpt = *(lcc->decimal_point);
  }
  errno = 0;
  *fval = 0.;
  if (strchr(cval, 'D') || decimalpt == ',') {
    strcpy(tval, cval);
    if (loc = strchr(tval, 'D'))
      *loc = 'E';
    if (decimalpt == ',') {
      if (loc = strchr(tval, '.'))
        *loc = ',';
    }
    *fval = (float)strtod(tval, &loc);
  } else {
    *fval = (float)strtod(cval, &loc);
  }
  if (*loc != '\0' && *loc != ' ') {
    strcpy(msg, "Error in ffc2rr converting string to float: ");
    strncat(msg, cval, 30);
    ffpmsg(msg);
    *status = 408;
  }
  sptr = (short *)fval;
  sptr++;
  iret = ((*sptr & 0x7F80) == 0x7F80 ? 1 : (*sptr & 0x7F80) == 0 ? 2 : 0);
  if (errno == ERANGE || (iret == 1)) {
    strcpy(msg, "Error in ffc2rr converting string to float: ");
    strncat(msg, cval, 30);
    ffpmsg(msg);
    *fval = 0.;
    *status = 412;
    errno = 0;
  }
  return (*status);
}


x86 assembly (clang, -O0):
<ffc2rr>:
push   %rbp
mov    %rsp,%rbp
sub    $0xf0,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    %rdx,-0x20(%rbp)
movq   $0x0,-0xd8(%rbp)
mov    -0x20(%rbp),%rax
cmpl   $0x0,(%rax)
jle    119d <ffc2rr+0x3d>
mov    -0x20(%rbp),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    1405 <ffc2rr+0x2a5>
cmpb   $0x0,0x2eb4(%rip)
jne    11ca <ffc2rr+0x6a>
mov    $0x0,%al
call   1050 <localeconv@plt>
mov    %rax,-0xd8(%rbp)
mov    -0xd8(%rbp),%rax
mov    (%rax),%rax
mov    (%rax),%al
mov    %al,0x2e8e(%rip)
mov    0x2e07(%rip),%rax
movq   $0x0,(%rax)
mov    -0x18(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,(%rax)
mov    -0x10(%rbp),%rdi
mov    $0x44,%esi
call   1070 <strchr@plt>
cmp    $0x0,%rax
jne    120b <ffc2rr+0xab>
movsbl 0x2e56(%rip),%eax
cmp    $0x2c,%eax
jne    129e <ffc2rr+0x13e>
lea    -0xd0(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1030 <strcpy@plt>
lea    -0xd0(%rbp),%rdi
mov    $0x44,%esi
call   1070 <strchr@plt>
mov    %rax,-0x28(%rbp)
cmp    $0x0,%rax
je     1241 <ffc2rr+0xe1>
mov    -0x28(%rbp),%rax
movb   $0x45,(%rax)
movsbl 0x2e10(%rip),%eax
cmp    $0x2c,%eax
jne    127c <ffc2rr+0x11c>
lea    -0xd0(%rbp),%rdi
mov    $0x2e,%esi
call   1070 <strchr@plt>
mov    %rax,-0x28(%rbp)
cmp    $0x0,%rax
je     1277 <ffc2rr+0x117>
mov    -0x28(%rbp),%rax
movb   $0x2c,(%rax)
jmp    127c <ffc2rr+0x11c>
lea    -0xd0(%rbp),%rdi
lea    -0x28(%rbp),%rsi
call   1040 <strtod@plt>
cvtsi2ss %rax,%xmm0
mov    -0x18(%rbp),%rax
movss  %xmm0,(%rax)
jmp    12b8 <ffc2rr+0x158>
mov    -0x10(%rbp),%rdi
lea    -0x28(%rbp),%rsi
call   1040 <strtod@plt>
cvtsi2ss %rax,%xmm0
mov    -0x18(%rbp),%rax
movss  %xmm0,(%rax)
mov    -0x28(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x0,%eax
je     130d <ffc2rr+0x1ad>
mov    -0x28(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x20,%eax
je     130d <ffc2rr+0x1ad>
lea    -0x80(%rbp),%rdi
lea    0xd1d(%rip),%rsi
call   1030 <strcpy@plt>
lea    -0x80(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    $0x1e,%edx
call   1080 <strncat@plt>
lea    -0x80(%rbp),%rdi
call   1060 <ffpmsg@plt>
mov    -0x20(%rbp),%rax
movl   $0x198,(%rax)
mov    -0x18(%rbp),%rax
mov    %rax,-0xe0(%rbp)
mov    -0xe0(%rbp),%rax
add    $0x2,%rax
mov    %rax,-0xe0(%rbp)
mov    -0xe0(%rbp),%rax
movswl (%rax),%eax
and    $0x7f80,%eax
cmp    $0x7f80,%eax
jne    1354 <ffc2rr+0x1f4>
mov    $0x1,%eax
mov    %eax,-0xe8(%rbp)
jmp    1377 <ffc2rr+0x217>
mov    -0xe0(%rbp),%rax
movswl (%rax),%edx
and    $0x7f80,%edx
xor    %eax,%eax
mov    $0x2,%ecx
cmp    $0x0,%edx
cmove  %ecx,%eax
mov    %eax,-0xe8(%rbp)
mov    -0xe8(%rbp),%eax
mov    %ax,-0xe2(%rbp)
mov    0x2c4d(%rip),%rax
mov    (%rax),%rax
mov    0x2c53(%rip),%rcx
cmp    (%rcx),%rax
je     13ae <ffc2rr+0x24e>
movswl -0xe2(%rbp),%eax
cmp    $0x1,%eax
jne    13fc <ffc2rr+0x29c>
lea    -0x80(%rbp),%rdi
lea    0xc47(%rip),%rsi
call   1030 <strcpy@plt>
lea    -0x80(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    $0x1e,%edx
call   1080 <strncat@plt>
lea    -0x80(%rbp),%rdi
call   1060 <ffpmsg@plt>
mov    -0x18(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,(%rax)
mov    -0x20(%rbp),%rax
movl   $0x19c,(%rax)
mov    0x2be3(%rip),%rax
movq   $0x0,(%rax)
mov    -0x20(%rbp),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0xf0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ffc2rr>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0xb8,%rsp
mov    (%rdx),%eax
test   %eax,%eax
jg     12f5 <ffc2rr+0x195>
mov    %rdx,%rbp
mov    %rsi,%r14
mov    %rdi,%r15
mov    0x2ece(%rip),%bl
test   %bl,%bl
jne    11a0 <ffc2rr+0x40>
xor    %eax,%eax
call   1050 <localeconv@plt>
mov    (%rax),%rax
mov    (%rax),%bl
mov    %bl,0x2eb8(%rip)
mov    0x2e31(%rip),%r13
movq   $0x0,0x0(%r13)
movl   $0x0,(%r14)
mov    %r15,%rdi
mov    $0x44,%esi
call   1070 <strchr@plt>
test   %rax,%rax
jne    11d7 <ffc2rr+0x77>
cmp    $0x2c,%bl
je     11d7 <ffc2rr+0x77>
lea    0x8(%rsp),%rsi
mov    %r15,%rdi
jmp    1230 <ffc2rr+0xd0>
lea    0x10(%rsp),%r12
mov    %r12,%rdi
mov    %r15,%rsi
call   1030 <strcpy@plt>
mov    %r12,%rdi
mov    $0x44,%esi
call   1070 <strchr@plt>
mov    %rax,0x8(%rsp)
test   %rax,%rax
je     1201 <ffc2rr+0xa1>
movb   $0x45,(%rax)
cmpb   $0x2c,0x2e50(%rip)
jne    1226 <ffc2rr+0xc6>
lea    0x10(%rsp),%rdi
mov    $0x2e,%esi
call   1070 <strchr@plt>
mov    %rax,0x8(%rsp)
test   %rax,%rax
je     1226 <ffc2rr+0xc6>
movb   $0x2c,(%rax)
lea    0x10(%rsp),%rdi
lea    0x8(%rsp),%rsi
call   1040 <strtod@plt>
cvtsi2ss %rax,%xmm0
movss  %xmm0,(%r14)
mov    0x8(%rsp),%rax
testb  $0xdf,(%rax)
jne    1252 <ffc2rr+0xf2>
movd   %xmm0,%eax
shr    $0x10,%eax
jmp    128a <ffc2rr+0x12a>
lea    0xda7(%rip),%rsi
lea    0x60(%rsp),%r12
mov    %r12,%rdi
call   1030 <strcpy@plt>
mov    %r12,%rdi
mov    %r15,%rsi
mov    $0x1e,%edx
call   1080 <strncat@plt>
mov    %r12,%rdi
call   1060 <ffpmsg@plt>
movl   $0x198,0x0(%rbp)
movzwl 0x2(%r14),%eax
mov    0x0(%r13),%rcx
mov    0x2d53(%rip),%rdx
cmp    (%rdx),%rcx
je     12ae <ffc2rr+0x14e>
and    $0x7f80,%eax
movzwl %ax,%eax
cmp    $0x7f80,%eax
je     12ae <ffc2rr+0x14e>
mov    0x0(%rbp),%eax
jmp    12f5 <ffc2rr+0x195>
lea    0xd4b(%rip),%rsi
lea    0x60(%rsp),%r12
mov    %r12,%rdi
call   1030 <strcpy@plt>
mov    %r12,%rdi
mov    %r15,%rsi
mov    $0x1e,%edx
call   1080 <strncat@plt>
mov    %r12,%rdi
call   1060 <ffpmsg@plt>
movl   $0x0,(%r14)
movl   $0x19c,0x0(%rbp)
movq   $0x0,0x0(%r13)
mov    $0x19c,%eax
add    $0xb8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
%struct.lconv = type { i8* }
@ffc2rr.decimalpt = internal global i8 0
@errno = global i64 0
@.str = [45 x i8] c"Error in ffc2rr converting string to float: \00"
@ERANGE = global i64 0
define i32 @ffc2rr(i8* %0, float* %1, i32* %2) {
%4 = alloca i32
%5 = alloca i8*
%6 = alloca float*
%7 = alloca i32*
%8 = alloca i8*
%9 = alloca [81 x i8]
%10 = alloca [73 x i8]
%11 = alloca %struct.lconv*
%12 = alloca i16*
%13 = alloca i16
store i8* %0, i8** %5
store float* %1, float** %6
store i32* %2, i32** %7
store %struct.lconv* null, %struct.lconv** %11
%14 = load i32*, i32** %7
%15 = load i32, i32* %14
%16 = icmp sgt i32 %15, 0
br i1 %16, label %17, label %20
17: ; preds = %3
%18 = load i32*, i32** %7
%19 = load i32, i32* %18
store i32 %19, i32* %4
br label %129
20: ; preds = %3
%21 = load i8, i8* @ffc2rr.decimalpt
%22 = icmp ne i8 %21, 0
br i1 %22, label %29, label %23
23: ; preds = %20
%24 = call %struct.lconv* (...) @localeconv()
store %struct.lconv* %24, %struct.lconv** %11
%25 = load %struct.lconv*, %struct.lconv** %11
%26 = getelementptr inbounds %struct.lconv, %struct.lconv* %25, i32 0, i32 0
%27 = load i8*, i8** %26
%28 = load i8, i8* %27
store i8 %28, i8* @ffc2rr.decimalpt
br label %29
29: ; preds = %23, %20
store i64 0, i64* @errno
%30 = load float*, float** %6
store float 0.000000e+00, float* %30
%31 = load i8*, i8** %5
%32 = call i8* @strchr(i8* %31, i8 signext 68)
%33 = icmp ne i8* %32, null
br i1 %33, label %38, label %34
34: ; preds = %29
%35 = load i8, i8* @ffc2rr.decimalpt
%36 = sext i8 %35 to i32
%37 = icmp eq i32 %36, 44
br i1 %37, label %38, label %63
38: ; preds = %34, %29
%39 = getelementptr inbounds [73 x i8], [73 x i8]* %10, i64 0, i64 0
%40 = load i8*, i8** %5
%41 = call i32 @strcpy(i8* %39, i8* %40)
%42 = getelementptr inbounds [73 x i8], [73 x i8]* %10, i64 0, i64 0
%43 = call i8* @strchr(i8* %42, i8 signext 68)
store i8* %43, i8** %8
%44 = icmp ne i8* %43, null
br i1 %44, label %45, label %47
45: ; preds = %38
%46 = load i8*, i8** %8
store i8 69, i8* %46
br label %47
47: ; preds = %45, %38
%48 = load i8, i8* @ffc2rr.decimalpt
%49 = sext i8 %48 to i32
%50 = icmp eq i32 %49, 44
br i1 %50, label %51, label %58
51: ; preds = %47
%52 = getelementptr inbounds [73 x i8], [73 x i8]* %10, i64 0, i64 0
%53 = call i8* @strchr(i8* %52, i8 signext 46)
store i8* %53, i8** %8
%54 = icmp ne i8* %53, null
br i1 %54, label %55, label %57
55: ; preds = %51
%56 = load i8*, i8** %8
store i8 44, i8* %56
br label %57
57: ; preds = %55, %51
br label %58
58: ; preds = %57, %47
%59 = getelementptr inbounds [73 x i8], [73 x i8]* %10, i64 0, i64 0
%60 = call i64 @strtod(i8* %59, i8** %8)
%61 = sitofp i64 %60 to float
%62 = load float*, float** %6
store float %61, float* %62
br label %68
63: ; preds = %34
%64 = load i8*, i8** %5
%65 = call i64 @strtod(i8* %64, i8** %8)
%66 = sitofp i64 %65 to float
%67 = load float*, float** %6
store float %66, float* %67
br label %68
68: ; preds = %63, %58
%69 = load i8*, i8** %8
%70 = load i8, i8* %69
%71 = sext i8 %70 to i32
%72 = icmp ne i32 %71, 0
br i1 %72, label %73, label %87
73: ; preds = %68
%74 = load i8*, i8** %8
%75 = load i8, i8* %74
%76 = sext i8 %75 to i32
%77 = icmp ne i32 %76, 32
br i1 %77, label %78, label %87
78: ; preds = %73
%79 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%80 = call i32 @strcpy(i8* %79, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%81 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%82 = load i8*, i8** %5
%83 = call i32 @strncat(i8* %81, i8* %82, i32 30)
%84 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%85 = call i32 @ffpmsg(i8* %84)
%86 = load i32*, i32** %7
store i32 408, i32* %86
br label %87
87: ; preds = %78, %73, %68
%88 = load float*, float** %6
%89 = bitcast float* %88 to i16*
store i16* %89, i16** %12
%90 = load i16*, i16** %12
%91 = getelementptr inbounds i16, i16* %90, i32 1
store i16* %91, i16** %12
%92 = load i16*, i16** %12
%93 = load i16, i16* %92
%94 = sext i16 %93 to i32
%95 = and i32 %94, 32640
%96 = icmp eq i32 %95, 32640
br i1 %96, label %97, label %98
97: ; preds = %87
br label %106
98: ; preds = %87
%99 = load i16*, i16** %12
%100 = load i16, i16* %99
%101 = sext i16 %100 to i32
%102 = and i32 %101, 32640
%103 = icmp eq i32 %102, 0
%104 = zext i1 %103 to i64
%105 = select i1 %103, i32 2, i32 0
br label %106
106: ; preds = %98, %97
%107 = phi i32 [ 1, %97 ], [ %105, %98 ]
%108 = trunc i32 %107 to i16
store i16 %108, i16* %13
%109 = load i64, i64* @errno
%110 = load i64, i64* @ERANGE
%111 = icmp eq i64 %109, %110
br i1 %111, label %116, label %112
112: ; preds = %106
%113 = load i16, i16* %13
%114 = sext i16 %113 to i32
%115 = icmp eq i32 %114, 1
br i1 %115, label %116, label %126
116: ; preds = %112, %106
%117 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%118 = call i32 @strcpy(i8* %117, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%119 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%120 = load i8*, i8** %5
%121 = call i32 @strncat(i8* %119, i8* %120, i32 30)
%122 = getelementptr inbounds [81 x i8], [81 x i8]* %9, i64 0, i64 0
%123 = call i32 @ffpmsg(i8* %122)
%124 = load float*, float** %6
store float 0.000000e+00, float* %124
%125 = load i32*, i32** %7
store i32 412, i32* %125
store i64 0, i64* @errno
br label %126
126: ; preds = %116, %112
%127 = load i32*, i32** %7
%128 = load i32, i32* %127
store i32 %128, i32* %4
br label %129
129: ; preds = %126, %17
%130 = load i32, i32* %4
ret i32 %130
}

LLVM IR (-O2):
%struct.lconv = type { i8* }
@ffc2rr.decimalpt = internal unnamed_addr global i8 0
@errno = global i64 0
@.str = [45 x i8] c"Error in ffc2rr converting string to float: \00"
@ERANGE = global i64 0
define i32 @ffc2rr(i8* %0, float* nocapture %1, i32* nocapture %2) {
%4 = alloca i8*
%5 = alloca [81 x i8]
%6 = alloca [73 x i8]
%7 = bitcast i8** %4 to i8*
%8 = getelementptr inbounds [81 x i8], [81 x i8]* %5, i64 0, i64 0
%9 = getelementptr inbounds [73 x i8], [73 x i8]* %6, i64 0, i64 0
%10 = load i32, i32* %2
%11 = icmp sgt i32 %10, 0
br i1 %11, label %71, label %12
12: ; preds = %3
%13 = load i8, i8* @ffc2rr.decimalpt
%14 = icmp eq i8 %13, 0
br i1 %14, label %15, label %20
15: ; preds = %12
%16 = tail call %struct.lconv* (...) @localeconv()
%17 = getelementptr inbounds %struct.lconv, %struct.lconv* %16, i64 0, i32 0
%18 = load i8*, i8** %17
%19 = load i8, i8* %18
store i8 %19, i8* @ffc2rr.decimalpt
br label %20
20: ; preds = %15, %12
%21 = phi i8 [ %19, %15 ], [ %13, %12 ]
store i64 0, i64* @errno
store float 0.000000e+00, float* %1
%22 = tail call i8* @strchr(i8* dereferenceable(1) %0, i8 signext 68)
%23 = icmp ne i8* %22, null
%24 = icmp eq i8 %21, 44
%25 = select i1 %23, i1 true, i1 %24
br i1 %25, label %26, label %40
26: ; preds = %20
%27 = call i32 @strcpy(i8* %9, i8* %0)
%28 = call i8* @strchr(i8* %9, i8 signext 68)
store i8* %28, i8** %4
%29 = icmp eq i8* %28, null
br i1 %29, label %31, label %30
30: ; preds = %26
store i8 69, i8* %28
br label %31
31: ; preds = %30, %26
%32 = load i8, i8* @ffc2rr.decimalpt
%33 = icmp eq i8 %32, 44
br i1 %33, label %34, label %38
34: ; preds = %31
%35 = call i8* @strchr(i8* %9, i8 signext 46)
store i8* %35, i8** %4
%36 = icmp eq i8* %35, null
br i1 %36, label %38, label %37
37: ; preds = %34
store i8 44, i8* %35
br label %38
38: ; preds = %34, %37, %31
%39 = call i64 @strtod(i8* %9, i8** %4)
br label %42
40: ; preds = %20
%41 = call i64 @strtod(i8* %0, i8** %4)
br label %42
42: ; preds = %40, %38
%43 = phi i64 [ %41, %40 ], [ %39, %38 ]
%44 = sitofp i64 %43 to float
store float %44, float* %1
%45 = load i8*, i8** %4
%46 = load i8, i8* %45
%47 = bitcast float %44 to i32
%48 = lshr i32 %47, 16
%49 = trunc i32 %48 to i16
switch i8 %46, label %50 [
i8 0, label %57
i8 32, label %57
]
50: ; preds = %42
%51 = call i32 @strcpy(i8* %8, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%52 = call i32 @strncat(i8* %8, i8* %0, i32 30)
%53 = call i32 @ffpmsg(i8* %8)
store i32 408, i32* %2
%54 = bitcast float* %1 to i16*
%55 = getelementptr inbounds i16, i16* %54, i64 1
%56 = load i16, i16* %55
br label %57
57: ; preds = %42, %42, %50
%58 = phi i16 [ %49, %42 ], [ %49, %42 ], [ %56, %50 ]
%59 = and i16 %58, 32640
%60 = icmp eq i16 %59, 32640
%61 = load i64, i64* @errno
%62 = load i64, i64* @ERANGE
%63 = icmp eq i64 %61, %62
%64 = select i1 %63, i1 true, i1 %60
br i1 %64, label %67, label %65
65: ; preds = %57
%66 = load i32, i32* %2
br label %71
67: ; preds = %57
%68 = call i32 @strcpy(i8* %8, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%69 = call i32 @strncat(i8* %8, i8* %0, i32 30)
%70 = call i32 @ffpmsg(i8* %8)
store float 0.000000e+00, float* %1
store i32 412, i32* %2
store i64 0, i64* @errno
br label %71
71: ; preds = %67, %65, %3
%72 = phi i32 [ %10, %3 ], [ %66, %65 ], [ 412, %67 ]
ret i32 %72
}