PROBLEM: (83974) (PATCH ID: OSF505-201)
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This patch changes the interface declarations to use those defined in the
ISO/IEC 9899:1990/Amendment 1:1994(E), when compilations require XPG or 
ISO-C compliance.  These interfaces are:
wchar_t *wcstok(wchar_t *s1, const wchar_t *s2, wchar_t **ptr);
size_t wcsftime(wchar_t *s,size_t max,const wchar_t *fmt,const struct tm *tptr);