remove support for non-ANSI compilation

*** 17,35 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
- 
  #ifndef _DIAL_H
  #define _DIAL_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.2   */
- 
  #ifndef IUCLC
  #include <sys/termio.h>
  #endif
  
  #ifdef  __cplusplus
--- 17,35 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  #ifndef _DIAL_H
  #define _DIAL_H
  
  #ifndef IUCLC
  #include <sys/termio.h>
  #endif
  
  #ifdef  __cplusplus
*** 74,95 ****
          int     modem;          /* unused */
          char    *device;        /* unused */
          int     dev_len;        /* unused */
  } CALL;
  
- #if defined(__STDC__)
- 
  extern int dial(CALL);
  extern void undial(int);
  
- #else
- 
- extern int dial();
- extern void undial();
- 
- #endif
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _DIAL_H */
--- 74,86 ----