/***
*strrchr.c - find last occurrence of character in string
*
*       Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
*       defines strrchr() - find the last occurrence of a given character
*       in a string.
*
*******************************************************************************/


/***
*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 *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 0;
}
