_BSD_SOURCE         5 tools/perf/util/util.h #define _BSD_SOURCE 1
_BSD_SOURCE        28 tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c #define _BSD_SOURCE /* for endian.h */
_BSD_SOURCE        28 tools/usb/ffs-aio-example/simple/device_app/aio_simple.c #define _BSD_SOURCE /* for endian.h */