Name | Synopsis | Description | Return Values | Errors | Attributes | See Also
#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);
These functions are equivalent to the wcstol(3C), wcstoll(3C), wcstoul(3C), and wcstoull(3C) functions, respectively, except that the initial portion of the wide string is converted to intmax_t and uintmax_t representation, respectively.
These functions return the converted value, if any. If no conversion could be performed, 0 is returned. If the correct value is outside the range of representable values, {INTMAX_MAX}, {INTMAX_MIN}, or {UINTMAX_MAX} is returned (according to the return type and sign of the value), and errno is set to ERANGE.
These functions will fail if:
The value of base is not supported.
The value to be returned is not representable.
These functions may fail if:
No conversion could be performed.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Standard |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Errors | Attributes | See Also