wcsspn
From cppreference.com
| Defined in header <wchar.h>
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| size_t wcsspn( const wchar_t* dest, const wchar_t* src ); |
(since C95) | |
Returns the length of the maximum initial segment of the wide string pointed to by dest, that consists of only the characters found in wide string pointed to by src.
Parameters
| dest | - | pointer to the null-terminated wide string to be analyzed |
| src | - | pointer to the null-terminated wide string that contains the characters to search for |
Return value
The length of the maximum initial segment that contains only characters from wide string pointed to by src