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-rw-r--r--private/crt32/string/strrchr.c59
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diff --git a/private/crt32/string/strrchr.c b/private/crt32/string/strrchr.c
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+++ b/private/crt32/string/strrchr.c
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+/***
+*strrchr.c - find last occurrence of character in string
+*
+* Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
+*
+*Purpose:
+* defines strrchr() - find the last occurrence of a given character
+* in a string.
+*
+*Revision History:
+* 02-27-90 GJF Fixed calling type, #include <cruntime.h>, fixed
+* copyright.
+* 08-14-90 SBM Compiles cleanly with -W3, removed now redundant
+* #include <stddef.h>
+* 10-02-90 GJF New-style function declarator.
+*
+*******************************************************************************/
+
+#include <cruntime.h>
+#include <string.h>
+
+/***
+*char *strrchr(string, ch) - find last occurrence of ch in string
+*
+*Purpose:
+* Finds the last occurrence of ch in string. The terminating
+* null character is used as part of the search.
+*
+*Entry:
+* char *string - string to search in
+* char ch - character to search for
+*
+*Exit:
+* returns a pointer to the last occurrence of ch in the given
+* string
+* returns NULL if ch does not occurr in the string
+*
+*Exceptions:
+*
+*******************************************************************************/
+
+char * _CALLTYPE1 strrchr (
+ const char * string,
+ int ch
+ )
+{
+ char *start = (char *)string;
+
+ while (*string++) /* find end of string */
+ ;
+ /* search towards front */
+ while (--string != start && *string != (char)ch)
+ ;
+
+ if (*string == (char)ch) /* char found ? */
+ return( (char *)string );
+
+ return(NULL);
+}