1*11a8fa6cSceastha /* 2*11a8fa6cSceastha * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3*11a8fa6cSceastha * Use is subject to license terms. 4*11a8fa6cSceastha */ 5*11a8fa6cSceastha 67c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 77c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 87c478bd9Sstevel@tonic-gate 97c478bd9Sstevel@tonic-gate /* 107c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California. 117c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 127c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 137c478bd9Sstevel@tonic-gate */ 147c478bd9Sstevel@tonic-gate 157c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 167c478bd9Sstevel@tonic-gate 177c478bd9Sstevel@tonic-gate #include "refer..c" 187c478bd9Sstevel@tonic-gate 197c478bd9Sstevel@tonic-gate static char ahead[1024]; 207c478bd9Sstevel@tonic-gate static int peeked = 0; 217c478bd9Sstevel@tonic-gate static char *noteof = (char *)1; 227c478bd9Sstevel@tonic-gate 237c478bd9Sstevel@tonic-gate char * 24*11a8fa6cSceastha input(char *s) 257c478bd9Sstevel@tonic-gate { 267c478bd9Sstevel@tonic-gate if (peeked) { 277c478bd9Sstevel@tonic-gate peeked = 0; 287c478bd9Sstevel@tonic-gate if (noteof == 0) 297c478bd9Sstevel@tonic-gate return (0); 307c478bd9Sstevel@tonic-gate strcpy(s, ahead); 317c478bd9Sstevel@tonic-gate return (s); 327c478bd9Sstevel@tonic-gate } 337c478bd9Sstevel@tonic-gate return (fgets(s, 1000, in)); 347c478bd9Sstevel@tonic-gate } 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate char * 37*11a8fa6cSceastha lookat(void) 387c478bd9Sstevel@tonic-gate { 397c478bd9Sstevel@tonic-gate if (peeked) 407c478bd9Sstevel@tonic-gate return (ahead); 417c478bd9Sstevel@tonic-gate noteof = input(ahead); 427c478bd9Sstevel@tonic-gate peeked = 1; 437c478bd9Sstevel@tonic-gate return (noteof); 447c478bd9Sstevel@tonic-gate } 457c478bd9Sstevel@tonic-gate 46*11a8fa6cSceastha void 47*11a8fa6cSceastha addch(char *s, char c) 487c478bd9Sstevel@tonic-gate { 497c478bd9Sstevel@tonic-gate while (*s) 507c478bd9Sstevel@tonic-gate s++; 517c478bd9Sstevel@tonic-gate *s++ = c; 527c478bd9Sstevel@tonic-gate *s = 0; 537c478bd9Sstevel@tonic-gate } 54