_LIBC_REFCOUNT_H_ 40 kernel/generic/include/lib/refcount.h #define _LIBC_REFCOUNT_H_ _LIBC_REFCOUNT_H_ 40 uspace/lib/c/include/refcount.h #define _LIBC_REFCOUNT_H_ _LIBC_REFCOUNT_H_ 40 uspace/lib/posix/include/libc/refcount.h #define _LIBC_REFCOUNT_H_HelenOS homepage, sources at GitHub