to                588 lib/strutil.h  str_replace (char *s, char from, char to)
to                593 lib/strutil.h              *s = to;
to                623 src/editor/editcmd.c pipe_mail (const edit_buffer_t *buf, char *to, char *subject, char *cc)
to                629 src/editor/editcmd.c     to_quoted = name_quote (to, FALSE);