clean up awk syntax

[unix-history] / usr / src / lib / libc / string / strrchr.c

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strrchr.c   5.2 (berkeley) 86/03/09";
#endif LIBC_SCCS and not lint

/*
* Return the ptr in sp at which the character c last
* appears; NULL if not found
*
* This routine is just "rindex" renamed.
*/

#define NULL 0

char *
strrchr(sp, c)
register char *sp, c;
{
       register char *r;

       r = NULL;
       do {
               if (*sp == c)
                       r = sp;
       } while (*sp++);
       return(r);
}