/*** *wcsstr.c - search for one wide-character string inside another * * Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved. * *Purpose: * defines wcsstr() - search for one wchar_t string inside another * *Revision History: * 09-09-91 ETC Created from strstr.c. * 04-07-92 KRS Updated and ripped out _INTL switches. * *******************************************************************************/ #include #include /*** *wchar_t *wcsstr(string1, string2) - search for string2 in string1 * (wide strings) * *Purpose: * finds the first occurrence of string2 in string1 (wide strings) * *Entry: * wchar_t *string1 - string to search in * wchar_t *string2 - string to search for * *Exit: * returns a pointer to the first occurrence of string2 in * string1, or NULL if string2 does not occur in string1 * *Uses: * *Exceptions: * *******************************************************************************/ wchar_t * _CALLTYPE1 wcsstr ( const wchar_t * wcs1, const wchar_t * wcs2 ) { wchar_t *cp = (wchar_t *) wcs1; wchar_t *s1, *s2; while (*cp) { s1 = cp; s2 = (wchar_t *) wcs2; while ( *s1 && *s2 && !(*s1-*s2) ) s1++, s2++; if (!*s2) return(cp); cp++; } return(NULL); }