1 /* Copyright (C) 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #ifndef _STROPTS_H 20 #define _STROPTS_H 1 21 22 #include <features.h> 23 #include <bits/types.h> 24 #include <bits/xtitypes.h> 25 26 #ifndef __gid_t_defined 27 typedef __gid_t gid_t; 28 # define __gid_t_defined 29 #endif 30 31 #ifndef __uid_t_defined 32 typedef __uid_t uid_t; 33 # define __uid_t_defined 34 #endif 35 36 typedef __t_uscalar_t t_uscalar_t; 37 38 /* Get system specific contants. */ 39 #include <bits/stropts.h> 40 41 42 __BEGIN_DECLS 43 44 /* Test whether FILDES is associated with a STREAM-based file. */ 45 extern int isastream (int __fildes) __THROW; 46 47 /* Receive next message from a STREAMS file. 48 49 This function is a cancellation point and therefore not marked with 50 __THROW. */ 51 extern int getmsg (int __fildes, struct strbuf *__restrict __ctlptr, 52 struct strbuf *__restrict __dataptr, 53 int *__restrict __flagsp); 54 55 /* Receive next message from a STREAMS file, with *FLAGSP allowing to 56 control which message. 57 58 This function is a cancellation point and therefore not marked with 59 __THROW. */ 60 extern int getpmsg (int __fildes, struct strbuf *__restrict __ctlptr, 61 struct strbuf *__restrict __dataptr, 62 int *__restrict __bandp, int *__restrict __flagsp); 63 64 /* Perform the I/O control operation specified by REQUEST on FD. 65 One argument may follow; its presence and type depend on REQUEST. 66 Return value depends on REQUEST. Usually -1 indicates error. */ 67 extern int ioctl (int __fd, unsigned long int __request, ...) __THROW; 68 69 /* Send a message on a STREAM. 70 71 This function is a cancellation point and therefore not marked with 72 __THROW. */ 73 extern int putmsg (int __fildes, __const struct strbuf *__ctlptr, 74 __const struct strbuf *__dataptr, int __flags); 75 76 /* Send a message on a STREAM to the BAND. 77 78 This function is a cancellation point and therefore not marked with 79 __THROW. */ 80 extern int putpmsg (int __fildes, __const struct strbuf *__ctlptr, 81 __const struct strbuf *__dataptr, int __band, int __flags); 82 83 /* Attach a STREAMS-based file descriptor FILDES to a file PATH in the 84 file system name space. */ 85 extern int fattach (int __fildes, __const char *__path) __THROW; 86 87 /* Detach a name PATH from a STREAMS-based file descriptor. */ 88 extern int fdetach (__const char *__path) __THROW; 89 90 __END_DECLS 91 92 #endif /* stropts.h */ 93
