/* * r1bindex.c -- Given a string and a character, return a pointer * -- to the right of the rightmost occurrence of the * -- character. If the character doesn't occur, the * -- pointer will be at the beginning of the string. * * $Id: r1bindex.c,v 1.1.1.1 1999-02-07 18:14:09 danw Exp $ */ #include char * r1bindex(char *str, int chr) { char *cp; /* find null at the end of the string */ for (cp = str; *cp; cp++) continue; /* backup to the rightmost character */ --cp; /* now search for the rightmost occurrence of the character */ while (cp >= str && *cp != chr) --cp; /* now move one to the right */ return (++cp); }