_sd_export_        43 src/readahead/sd-readahead.c #    define _sd_export_ __attribute__ ((visibility("default")))
_sd_export_        46 src/readahead/sd-readahead.c #    define _sd_export_ __attribute__ ((visibility("hidden")))
_sd_export_        49 src/readahead/sd-readahead.c #  define _sd_export_