The process to redefine a Macro is:Macro must be defined. When, you want to redefine the Macro, first of all, undefined the Macro by using #undef preprocessor directive. And, then define the Macro again by using #define preprocessor directive....
Here, we are going to learn how to define macros –In this example, we are defining two Macros YES and NO by using #define preprocessor directive.
You can specify the -I option more than once on the cc command-line. The preprocessor searches the specified directories in the order they appear. You can specify multiple options to cc on the same command-line: % cc -o prog -I../defs mycode.c ...
Intermediate code translator (ir2hf)(x86) i Interprocedural optimizer (ube_ipa)(x86) l Link editor (ld) m mcs O (Capital o) Interprocedural optimizer o (Lowercase o) Postoptimizer p Preprocessor (cpp) u C code generator (ube) (x86) 0 (Zero) Compiler (acomp) (ssbd, SPA...
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It can be changed by preprocessor definition: -DFLATCC_ASSERT=own_assert but it will not override assertions used in the portable library, notably the Grisu3 fast numerical conversion library used with JSON parsing. Runtime assertions can be disabled using: -DFLATCC_NO_ASSERT This will ...
It can be changed by preprocessor definition: -DFLATCC_ASSERT=own_assert but it will not override assertions used in the portable library, notably the Grisu3 fast numerical conversion library used with JSON parsing. Runtime assertions can be disabled using: -DFLATCC_NO_ASSERT This will ...
To avoid commenting over comments already in the source code, you should use conditional compilation preprocessor directives to cause the compiler to bypass sections of a program. For example, instead of commenting out the above statements, change the source code in the following way: /* A ...
• Chapters 19 through 22 discuss directives to the preprocessor and macros that are predefined by the compiler. • Chapters 23 through 25 discuss the compatibility and conformance on the z/OS platform. • The last chapters discuss implementation-defined behavior, accessibility, and notices. ...
SETandCLRare the Macro names PINis the value whose bit to set or/and clear Nis the bit number to set or/and clear Example #include<stdio.h>#defineSET(PIN,N)(PIN|=(1<<N))#defineCLR(PIN,N)(PIN&=~(1<<N))intmain(){unsignedcharval=0x11;unsignedcharbit=2;printf("val =%X\n",...