__FreeBSD__ 455 src/ftdm_threadmutex.c #elif defined(__linux__) || defined(__FreeBSD__) __FreeBSD__ 42 src/include/ftdm_declare.h #if !defined(_XOPEN_SOURCE) && !defined(__FreeBSD__) __FreeBSD__ 40 src/include/private/ftdm_core.h #if !defined(_XOPEN_SOURCE) && !defined(__FreeBSD__)