Content of RPM php71w-pecl-apcu-devel-5.1.9-1.w6.x86_64.rpm :
/usr/include/php-zts/php/ext/apcu
/usr/include/php-zts/php/ext/apcu/apc.h
/usr/include/php-zts/php/ext/apcu/apc_api.h
/usr/include/php-zts/php/ext/apcu/apc_arginfo.h
/usr/include/php-zts/php/ext/apcu/apc_cache.h
/usr/include/php-zts/php/ext/apcu/apc_cache_api.h
/usr/include/php-zts/php/ext/apcu/apc_globals.h
/usr/include/php-zts/php/ext/apcu/apc_iterator.h
/usr/include/php-zts/php/ext/apcu/apc_lock.h
/usr/include/php-zts/php/ext/apcu/apc_lock_api.h
/usr/include/php-zts/php/ext/apcu/apc_pool.h
/usr/include/php-zts/php/ext/apcu/apc_pool_api.h
/usr/include/php-zts/php/ext/apcu/apc_serializer.h
/usr/include/php-zts/php/ext/apcu/apc_sma.h
/usr/include/php-zts/php/ext/apcu/apc_sma_api.h
/usr/include/php-zts/php/ext/apcu/apc_stack.h
/usr/include/php-zts/php/ext/apcu/php_apc.h
/usr/include/php/ext/apcu
/usr/include/php/ext/apcu/apc.h
/usr/include/php/ext/apcu/apc_api.h
/usr/include/php/ext/apcu/apc_arginfo.h
/usr/include/php/ext/apcu/apc_cache.h
/usr/include/php/ext/apcu/apc_cache_api.h
/usr/include/php/ext/apcu/apc_globals.h
/usr/include/php/ext/apcu/apc_iterator.h
/usr/include/php/ext/apcu/apc_lock.h
/usr/include/php/ext/apcu/apc_lock_api.h
/usr/include/php/ext/apcu/apc_pool.h
/usr/include/php/ext/apcu/apc_pool_api.h
/usr/include/php/ext/apcu/apc_serializer.h
/usr/include/php/ext/apcu/apc_sma.h
/usr/include/php/ext/apcu/apc_sma_api.h
/usr/include/php/ext/apcu/apc_stack.h
/usr/include/php/ext/apcu/php_apc.h