I have a piece of code which I want to include if either of two macros are defined
#ifdef MACRO1 || MACRO2
void foo()
{
}
#endif
How do I accomplish this in C?
I have a piece of code which I want to include if either of
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I have a piece of code which I want to include if either of two macros are defined
#ifdef MACRO1 || MACRO2
void foo()
{
}
#endif
How do I accomplish this in C?
Besides
#ifdef, the preprocessor supports the more general#ifinstruction; actually,#ifdef MACROis a shortcut for#if defined(MACRO), wheredefinedis a “preprocessor function” that returns 1 if the macro is defined; so, you can do: