/usr/lib/gcc/x86_64-linux-gnu/6/include/d/core/stdc/wctype.d is in libgphobos-6-dev 6.4.0-17ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | /**
* D header file for C99.
*
* $(C_HEADER_DESCRIPTION pubs.opengroup.org/onlinepubs/009695399/basedefs/_wctype.h.html, _wctype.h)
*
* Copyright: Copyright Sean Kelly 2005 - 2009.
* License: Distributed under the
* $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
* (See accompanying file LICENSE)
* Authors: Sean Kelly
* Source: $(DRUNTIMESRC core/stdc/_wctype.d)
* Standards: ISO/IEC 9899:1999 (E)
*/
module core.stdc.wctype;
public import core.stdc.wchar_; // for wint_t, WEOF
extern (C):
@trusted: // Only a couple of functions below operate on unsafe C strings.
nothrow:
@nogc:
///
alias wchar_t wctrans_t;
///
alias wchar_t wctype_t;
///
pure int iswalnum(wint_t wc);
///
pure int iswalpha(wint_t wc);
///
pure int iswblank(wint_t wc);
///
pure int iswcntrl(wint_t wc);
///
pure int iswdigit(wint_t wc);
///
pure int iswgraph(wint_t wc);
///
pure int iswlower(wint_t wc);
///
pure int iswprint(wint_t wc);
///
pure int iswpunct(wint_t wc);
///
pure int iswspace(wint_t wc);
///
pure int iswupper(wint_t wc);
///
pure int iswxdigit(wint_t wc);
///
int iswctype(wint_t wc, wctype_t desc);
///
@system wctype_t wctype(in char* property);
///
pure wint_t towlower(wint_t wc);
///
pure wint_t towupper(wint_t wc);
///
wint_t towctrans(wint_t wc, wctrans_t desc);
///
@system wctrans_t wctrans(in char* property);
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