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ISWALNUM (3) | C library functions | Unix Manual Pages | :man▋
NAME
iswalnum, iswalpha, iswascii, iswblank, iswcntrl, iswdigit, iswgraph, iswhexnumber, iswideogram, iswlower, iswnumber, iswphonogram, iswprint, iswpunct, iswrune, iswspace, iswspecial, iswupper, iswxdigit - wide character classification utilities
CONTENTS
Library
Synopsis
Description
Return Values
See Also
Standards
Caveats
LIBRARY
.Lb libc
SYNOPSIS
.In wctype.h int iswalnum "wint_t wc" int iswalpha "wint_t wc" int iswascii "wint_t wc" int iswblank "wint_t wc" int iswcntrl "wint_t wc" int iswdigit "wint_t wc" int iswgraph "wint_t wc" int iswhexnumber "wint_t wc" int iswideogram "wint_t wc" int iswlower "wint_t wc" int iswnumber "wint_t wc" int iswphonogram "wint_t wc" int iswprint "wint_t wc" int iswpunct "wint_t wc" int iswrune "wint_t wc" int iswspace "wint_t wc" int iswspecial "wint_t wc" int iswupper "wint_t wc" int iswxdigit "wint_t wc"
DESCRIPTION
The above functions are character classification utility functions, for use with wide characters
.Vt ( wchar_t or
.Vt wint_t ) . See the description for the similarly-named single byte classification functions (like isalnum(3)), for details.
RETURN VALUES
The functions return zero if the character tests false and return non-zero if the character tests true.
SEE ALSO
isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), ishexnumber(3), isideogram(3), islower(3), isnumber(3), isphonogram(3), isprint(3), ispunct(3), isrune(3), isspace(3), isspecial(3), isupper(3), isxdigit(3), wctype(3)
STANDARDS
CAVEATS
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