Returns the number of wide characters in the initial segment of a string.
Standard C Library (libc.a)
#include <wcstr.h>
size_t wcsspn( WcString1, WcString2) const wchar_t *WcString1, *WcString2;
The wcsspn subroutine computes the number of wchar_t characters in the initial segment of the string pointed to by the WcString1 parameter. The WcString1 parameter consists entirely of wchar_t characters from the string pointed to by the WcString2 parameter.
| Item | Description |
|---|---|
| WcString1 | Points to the initial segment of a string. |
| WcString2 | Points to a set of characters string. |
The wcsspn subroutine returns the number of wchar_t characters in the segment.