Macro definition directives
Macro definition directives include the following directives and operators:
The #define directive
, which defines a macro
The #undef directive
, which removes a macro definition
Standard predefined macro names
describes the macros that are predefined by the ISO C standard.
The #define directive
The #undef directive
The # operator
The ## operator
Standard predefined macro names
Parent topic:
Preprocessor directives
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