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 #ifndef WM_HELPERS_H
 #define WM_HELPERS_H
 /*
  * This file is part of WorkMan, the civilized CD player library
  * Copyright (C) 1991-1997 by Steven Grimm <koreth@midwinter.com>
  * Copyright (C) by Dirk Försterling <milliByte@DeathsDoor.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this library; if not, write to the Free
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * Here to be found: Prototypes. Including variable names to be easier
  * to read.
  * This is just one more step to a more modular and understandable code.
  *
  */
 
 /*
  * LibWorkMan message levels. I'm not sure how to call them all and which
  * use they should fulfill. This is not very urgent now, because there
  * aren't many messages in LibWorkMan now.
  */
 #define WM_MSG_LEVEL_NONE   0   /**/
 #define WM_MSG_LEVEL_ERROR  1   /**/
 #define WM_MSG_LEVEL_TWO    2
 #define WM_MSG_LEVEL_THREE  3
 #define WM_MSG_LEVEL_FOUR   4
 #define WM_MSG_LEVEL_INFO   5   /**/
 #define WM_MSG_LEVEL_SIX    6
 #define WM_MSG_LEVEL_VERB   7   /**/
 #define WM_MSG_LEVEL_EIGHT  8
 #define WM_MSG_LEVEL_DEBUG  9   /**/
 
 #define WM_MSG_LEVEL_ALL    0xf /**/
 /*
  * Message classes. This is somehow a definition of
  * the message's source.
  */
 
 #define WM_MSG_CLASS_PLATFORM   0x010
 #define WM_MSG_CLASS_SCSI   0x020
 #define WM_MSG_CLASS_CDROM      0x040
 #define WM_MSG_CLASS_DB     0x080
 #define WM_MSG_CLASS_MISC   0x100
 
 #define WM_MSG_CLASS_ALL    0xff0
 
 /*
  * I did not know any better place...
  */
 #ifdef DEBUG
 #define CHECKPOINT(t) fprintf(stderr, "%s (%d): %s\n", __FILE__, __LINE__, t );
 #else
 #define CHECKPOINT(t)
 #endif
 
 #ifdef __linux__
 #include <signal.h>
 /* Linux doesn't have a SIGEMT */
 #if !defined( SIGEMT )
 #  define SIGEMT SIGUNUSED
 #endif
 #endif /* linux */
 
 void        freeup( char **x );
 void        wm_strmcat( char **t, const char *s);
 void        wm_strmcpy( char **t, const char *s );
 char *      wm_strdup( char *s );
 /* Somebody's version query unsatisfied? */
 int     wm_libver_major( void );    /* return major internal version number */
 int     wm_libver_minor( void );    /* return minor internal version number */
 int     wm_libver_pl( void );       /* return internal patchlevel number */
 char *      wm_libver_name( void );     /* return internal name (LibWorkMan) */
 char *      wm_libver_number( void );   /* returns string: "<major>.<minor>.<pl>" */
 char *      wm_libver_string( void );   /* returns string: "<name> <number>" */
 char *      wm_libver_date( void );     /* returns string: date of compilation */
 void        wm_lib_set_verbosity( int level ); /* set verbosity level */
 int         wm_lib_get_verbosity( void );      /* get verbosity level */
 
 void        wm_lib_message( unsigned int level, const char *format, ... )
 #ifdef __GNUC__
     __attribute__ ((format(printf,2,3)))
 #endif
     ; /* put out a message on stderr */
 int     wm_susleep( int usec );
 
 #endif /* WM_HELPERS_H */