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isascii(3p) — Linux manual page

ISASCII(3P)             POSIX Programmer's ManualISASCII(3P)

PROLOG        top

       This manual page is part of the POSIX Programmer's Manual.  The       Linux implementation of this interface may differ (consult the       corresponding Linux manual page for details of Linux behavior), or       the interface may not be implemented on Linux.

NAME        top

       isascii — test for a 7-bit US-ASCII character

SYNOPSIS        top

       #include <ctype.h>       int isascii(intc);

DESCRIPTION        top

       Theisascii() function shall test whetherc is a 7-bit US-ASCII       character code.       Theisascii() function is defined on all integer values.

RETURN VALUE        top

       Theisascii() function shall return non-zero ifc is a 7-bit US-       ASCII character code between 0 and octal 0177 inclusive;       otherwise, it shall return 0.

ERRORS        top

       No errors are defined.The following sections are informative.

EXAMPLES        top

       None.

APPLICATION USAGE        top

       Theisascii() function cannot be used portably in a localized       application.

RATIONALE        top

       None.

FUTURE DIRECTIONS        top

       Theisascii() function may be removed in a future version.

SEE ALSO        top

       The Base Definitions volume of POSIX.1‐2017,ctype.h(0p)

COPYRIGHT        top

       Portions of this text are reprinted and reproduced in electronic       form from IEEE Std 1003.1-2017, Standard for Information       Technology -- Portable Operating System Interface (POSIX), The       Open Group Base Specifications Issue 7, 2018 Edition, Copyright       (C) 2018 by the Institute of Electrical and Electronics Engineers,       Inc and The Open Group.  In the event of any discrepancy between       this version and the original IEEE and The Open Group Standard,       the original IEEE and The Open Group Standard is the referee       document. The original Standard can be obtained online athttp://www.opengroup.org/unix/online.html .       Any typographical or formatting errors that appear in this page       are most likely to have been introduced during the conversion of       the source files to man page format. To report such errors, seehttps://www.kernel.org/doc/man-pages/reporting_bugs.html .IEEE/The Open Group                2017ISASCII(3P)

Pages that refer to this page:ctype.h(0p), localeconv(3p), toascii(3p)

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