StrSpn function

Obtains the length of a substring within a string that consists entirely of characters contained in a specified buffer.

Syntax

int StrSpn(
  _In_ PCTSTR psz,
  _In_ PCTSTR pszSet
);

Parameters

psz [in]

Type: PCTSTR

A pointer to the null-terminated string that is to be searched.

pszSet [in]

Type: PCTSTR

A pointer to a null-terminated character buffer that contains the set of characters for which to search.

Return value

Type: int

Returns the length, in characters, of the matching string or zero if no match is found.

Requirements