<fmtmsg.h>(P) POSIX Programmer's Manual <fmtmsg.h>(P)
fmtmsg.h - message display structures
The <fmtmsg.h> header shall define the following macros, which expand to constant integer
Source of the condition is hardware.
Source of the condition is software.
Source of the condition is firmware.
Condition detected by application.
Condition detected by utility.
Condition detected by operating system.
Error causing application to halt.
Application has encountered a non-fatal fault.
Application has detected unusual non-error condition.
No severity level provided for the message.
Display message on standard error.
Display message on system console.
The table below indicates the null values and identifiers for fmtmsg() arguments. The
<fmtmsg.h> header shall define the macros in the Identifier column, which expand to con-
stant expressions that expand to expressions of the type indicated in the Type column:
Argument Type Null-Value Identifier
label char * (char*)0 MM_NULLLBL
severity int 0 MM_NULLSEV
class long 0L MM_NULLMC
text char * (char*)0 MM_NULLTXT
action char * (char*)0 MM_NULLACT
tag char * (char*)0 MM_NULLTAG
The <fmtmsg.h> header shall also define the following macros for use as return values for
MM_OK The function succeeded.
The function failed completely.
The function was unable to generate a message on standard error, but otherwise suc-
The function was unable to generate a console message, but otherwise succeeded.
The following shall be declared as a function and may also be defined as a macro. A func-
tion prototype shall be provided.
int fmtmsg(long, const char *, int,
const char *, const char *, const char *);
The following sections are informative.
The System Interfaces volume of IEEE Std 1003.1-2001, fmtmsg()
Portions of this text are reprinted and reproduced in electronic form from IEEE Std
1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System
Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and The Open Group
Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 <fmtmsg.h>(P)