[previous] 0836 [next] [U] Definition of macro named 'defined'.
Explicitly undefined REFERENCE - ISO:C90-6.8.8 Predefined Macro Names

You have attempted to #define a macro called 'defined'. The token 'defined' is a preprocessor operator; it can never be redefined or undefined.

For example: 


/*PRQA S 0553,2017 ++*/

#define defined !defined               /* Message 0836 */

MISRA-C:2004 Rules applicable to message 0836:

Rule  1.2  (Required) No reliance shall be placed on undefined or unspecified behaviour.
Rule  20.1  (Required) Reserved identifiers, macros and functions in the standard library, shall not be defined, redefined or undefined.

QA·C Source Code Analyser 8.1
MISRA-C:2004 Compliance Module 3.2
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