1.\" Copyright (c) 1992, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software developed by the Computer Systems 5.\" Engineering group at Lawrence Berkeley Laboratory under DARPA contract 6.\" BG 91-66 and contributed to Berkeley. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed by the University of 19.\" California, Berkeley and its contributors. 20.\" 4. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)kvm_geterr.3 8.1 (Berkeley) 6/4/93 37.\" 38.Dd June 4, 1993 39.Dt KVM_GETERR 3 40.Os 41.Sh NAME 42.Nm kvm_geterr 43.Nd get error message on kvm descriptor 44.Sh SYNOPSIS 45.Fd #include <kvm.h> 46.br 47.Ft char * 48.Fn kvm_geterr "kvm_t *kd" 49.Sh DESCRIPTION 50This function returns a string describing the most recent error condition 51on the descriptor 52.Fa kd . 53The results are undefined if the most recent 54.Xr kvm 3 55library call did not produce an error. 56The string returned is stored in memory owned by 57.Xr kvm 3 58so the message should be copied out and saved elsewhere if necessary. 59.Sh BUGS 60This routine cannot be used to access error conditions due to a failed 61.Fn kvm_openfiles 62call, since failure is indicated by returning a 63.Dv NULL 64descriptor. 65Therefore, errors on open are output to the special error buffer 66passed to 67.Fn kvm_openfiles . 68This option is not available to 69.Fn kvm_open . 70.Sh SEE ALSO 71.Xr kvm 3 , 72.Xr kvm_close 3 , 73.Xr kvm_getargv 3 , 74.Xr kvm_getenvv 3 , 75.Xr kvm_getprocs 3 , 76.Xr kvm_nlist 3 , 77.Xr kvm_open 3 , 78.Xr kvm_openfiles 3 , 79.Xr kvm_read 3 , 80.Xr kvm_write 3 81