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isxdigit(3)

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RocketLink!--> Man page versions: OpenBSD FreeBSD Others

[ANSI C X3.159-1989]

ISXDIGIT(3)               OpenBSD Programmer's Manual              ISXDIGIT(3)

NAME
     isxdigit - hexadecimal-digit character test



SYNOPSIS
     #include <ctype.h>

     int
     isxdigit(int c);

DESCRIPTION
     The isxdigit() function tests for any hexadecimal-digit character.

RETURN VALUES
     The isxdigit() macro returns zero if the character tests false or non-ze-
     ro if the character tests true.

SEE ALSO
     isalnum(3),  isalpha(3),  isascii(3),  isblank(3),  iscntrl(3),
     isdigit(3),  isgraph(3),  islower(3),  isprint(3),  ispunct(3),
     isspace(3),  isupper(3),  stdio(3),  toascii(3),  tolower(3),
     toupper(3),  ascii(7)

STANDARDS
     The isxdigit() function conforms to ANSI X3.159-1989 (``ANSI C'').

OpenBSD 2.6                      June 29, 1991                               1

Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.

(Corrections, notes, and links courtesy of RocketAware.com)

Behavior when (ch & 0x80) not portable. (Linux, WIN16 and WIN32 false; Solaris undefined when signed char)
setlocale(3), when provided, may change the behavior.
Often provided as both a function and a macro. #undef the macro to access the function version.

[Detailed Topics]

FreeBSD Sources for isxdigit(3) functions
OpenBSD sources for isxdigit(3)

[Overview Topics]

Up to: Character Tests and Operations - isblank, toupper, etc.

RocketLink!--> Man page versions: OpenBSD FreeBSD Others

[ANSI C X3.159-1989]

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