| Function | char Equivalent |
| size_t wcsftime(wchar_t *str, size_t max, const wchar_t *fmt, const struct tm *ptr) | strftime() |
| double wcstod(const wchar_t *start, wchar_t **end); | strtod() |
| float wcstof(const wchar_t * restrict start, wchar_t ** restrict end); | strtof() |
| long double wcstold(const wchar_t * restrict start, wchar_t ** restrict end); | strtold() |
| long int wcstol(const wchar_t *start, wchar_t **end,int radix) | strtol() |
| long long int wcstoll(const wchar_t * restrict start,wchar_t ** restrict end,int radix) | strtoll() |
| unsigned long int wcstoul(const wchar_t * restrict start, wchar_t ** restrict end,int radix) | strtoul() |
| unsigned long long int wcstoull( const wchar_t *start, wchar_t **end, int radix) | Strtoull() |
(C: The Complete Reference, Fourth Edition by Herbert Schildt McGraw-Hill/Osborne 2000
ISBN-10: 0072121246, ISBN-13: 978-0072121247)