Name
#elif directive — Else-if for conditional compilation
Synopsis
#elif constant-expression
The #elif directive marks a
region of conditional compilation. Every #elif must be paired with an introductory
directive: #if, #ifdef, or #ifndef. If the initial condition was false
(0), and every subsequent #elif condition is false, and
constant-expression is true (nonzero),
subsequent statements are compiled until the next #elif, #else, or #endif directive is reached for this level
of nesting.
See Also
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