HelenOS sources

U_NULL             65 common/include/str.h #define U_NULL         0x2400
U_NULL             65 kernel/generic/common/include/str.h #define U_NULL         0x2400
U_NULL             65 uspace/lib/c/common/include/str.h #define U_NULL         0x2400
U_NULL             65 uspace/lib/posix/include/common/str.h #define U_NULL         0x2400