changed "dp" command to say "At EOF" when executed on last message

[unix-history] / usr / src / usr.bin / mail / index.c

/*
* Determine the leftmost index of the character
* in the string.
*/

static char *SccsId = "@(#)index.c      2.1 %G%";

char *
index(str, ch)
       char *str;
{
       register char *cp;
       register int c;

       for (c = ch, cp = str; *cp; cp++)
               if (*cp == c)
                       return(cp);
       return(NOSTR);
}