1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1998, by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate * Extensions to the stdio package 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _STDIO_EXT_H 32*0Sstevel@tonic-gate #define _STDIO_EXT_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <stdio.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * Even though the contents of the stdio FILE structure have always been 44*0Sstevel@tonic-gate * private to the stdio implementation, over the years some programs have 45*0Sstevel@tonic-gate * needed to get information about a stdio stream that was not accessible 46*0Sstevel@tonic-gate * through a supported interface. These programs have resorted to accessing 47*0Sstevel@tonic-gate * fields of the FILE structure directly, rendering them possibly non-portable 48*0Sstevel@tonic-gate * to new implementations of stdio, or more likely, preventing enhancements 49*0Sstevel@tonic-gate * to stdio because those programs will break. 50*0Sstevel@tonic-gate * 51*0Sstevel@tonic-gate * In the 64-bit world, the FILE structure is opaque. The routines here 52*0Sstevel@tonic-gate * are provided as a way to get the information that used to be retrieved 53*0Sstevel@tonic-gate * directly from the FILE structure. They are based on the needs of 54*0Sstevel@tonic-gate * existing programs (such as 'mh' and 'emacs'), so they may be extended 55*0Sstevel@tonic-gate * as other programs are ported. Though they may still be non-portable to 56*0Sstevel@tonic-gate * other operating systems, they will work from each Solaris release to 57*0Sstevel@tonic-gate * the next. More portable interfaces are being developed. 58*0Sstevel@tonic-gate */ 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #define FSETLOCKING_QUERY 0 61*0Sstevel@tonic-gate #define FSETLOCKING_INTERNAL 1 62*0Sstevel@tonic-gate #define FSETLOCKING_BYCALLER 2 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate extern size_t __fbufsize(FILE *stream); 65*0Sstevel@tonic-gate extern int __freading(FILE *stream); 66*0Sstevel@tonic-gate extern int __fwriting(FILE *stream); 67*0Sstevel@tonic-gate extern int __freadable(FILE *stream); 68*0Sstevel@tonic-gate extern int __fwritable(FILE *stream); 69*0Sstevel@tonic-gate extern int __flbf(FILE *stream); 70*0Sstevel@tonic-gate extern void __fpurge(FILE *stream); 71*0Sstevel@tonic-gate extern size_t __fpending(FILE *stream); 72*0Sstevel@tonic-gate extern void _flushlbf(void); 73*0Sstevel@tonic-gate extern int __fsetlocking(FILE *stream, int type); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate #ifdef __cplusplus 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate #endif 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #endif /* _STDIO_EXT_H */ 80