msg_output.h

[詳解]

#ifndef _MSG_OUTPUT_FN_
#define _MSG_OUTPUT_FN_

/*++
/* NAME
/*  msg_output 3h
/* SUMMARY
/*  diagnostics output management
/* SYNOPSIS
/*  #include <msg_output.h>
/* DESCRIPTION

 /*
  * System library.
  */
#include <stdarg.h>

 /*
  * External interface. Severity levels are documented to be monotonically
  * increasing from 0 up to MSG_LAST.
  */
typedef void (*MSG_OUTPUT_FN) (int, const char *);
extern void msg_output(MSG_OUTPUT_FN);
extern void PRINTFLIKE(2, 3) msg_printf(int, const char *,...);
extern void msg_vprintf(int, const char *, va_list);
extern void msg_text(int, const char *);

#define MSG_INFO    0       /* informative */
#define MSG_WARN    1       /* warning (non-fatal) */
#define MSG_ERROR   2       /* error (fatal) */
#define MSG_FATAL   3       /* software error (fatal) */
#define MSG_PANIC   4       /* software error (fatal) */

#define MSG_LAST    4       /* highest-numbered severity level */

/* LICENSE
/* .ad
/* .fi
/*  The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/*  Wietse Venema
/*  IBM T.J. Watson Research
/*  P.O. Box 704
/*  Yorktown Heights, NY 10598, USA
/*--*/

#endif