fmtmsg.h - message display structures
The <fmtmsg.h> header shall define the following symbolic constants:
- MM_HARD
 - Source of the condition is hardware.
 - MM_SOFT
 - Source of the condition is software.
 - MM_FIRM
 - Source of the condition is firmware.
 - MM_APPL
 - Condition detected by application.
 - MM_UTIL
 - Condition detected by utility.
 - MM_OPSYS
 - Condition detected by operating system.
 - MM_RECOVER
 - Recoverable error.
 - MM_NRECOV
 - Non-recoverable error.
 - MM_HALT
 - Error causing application to halt.
 - MM_ERROR
 - Application has encountered a non-fatal fault.
 - MM_WARNING
 - Application has detected unusual non-error condition.
 - MM_INFO
 - Informative message.
 - MM_NOSEV
 - No severity level provided for the message.
 - MM_PRINT
 - Display message on standard error.
 - MM_CONSOLE
 - Display message on system console.
 The table below indicates the null values and identifiers for fmtmsg() arguments. The <fmtmsg.h> header shall define the symbolic constants in the Identifier column, which shall have 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 symbolic constants for use as return values for fmtmsg():
- MM_OK
 - The function succeeded.
 - MM_NOTOK
 - The function failed completely.
 - MM_NOMSG
 - The function was unable to generate a message on standard error, but otherwise succeeded.
 - MM_NOCON
 - 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 function prototype shall be provided.
int fmtmsg(long, const char *, int, const char *, const char *, const char *);
None.
None.
None.
XSH fmtmsg
First released in Issue 4, Version 2.
This reference page is clarified with respect to macros and symbolic constants.
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