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PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT |
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WCSTOIMAX(3P) POSIX Programmer's Manual WCSTOIMAX(3P)
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.
wcstoimax, wcstoumax — convert a wide-character string to an
integer type
#include <stddef.h>
#include <inttypes.h>
intmax_t wcstoimax(const wchar_t *restrict nptr,
wchar_t **restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t *restrict nptr,
wchar_t **restrict endptr, int base);
The functionality described on this reference page is aligned
with the ISO C standard. Any conflict between the requirements
described here and the ISO C standard is unintentional. This
volume of POSIX.1‐2017 defers to the ISO C standard.
These functions shall be equivalent to the wcstol(), wcstoll(),
wcstoul(), and wcstoull() functions, respectively, except that
the initial portion of the wide string shall be converted to
intmax_t and uintmax_t representation, respectively.
These functions shall return the converted value, if any.
If no conversion could be performed, zero shall be returned. If
the correct value is outside the range of representable values,
{INTMAX_MAX}, {INTMAX_MIN}, or {UINTMAX_MAX} shall be returned
(according to the return type and sign of the value, if any), and
errno shall be set to [ERANGE].
These functions shall fail if:
EINVAL The value of base is not supported.
ERANGE The value to be returned is not representable.
These functions may fail if:
EINVAL No conversion could be performed.
The following sections are informative.
None.
None.
None.
None.
wcstol(3p), wcstoul(3p)
The Base Definitions volume of POSIX.1‐2017, inttypes.h(0p),
stddef.h(0p)
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 at http://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, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2017 WCSTOIMAX(3P)
Pages that refer to this page: inttypes.h(0p), wcstoumax(3p)
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