NAN 95 uspace/lib/c/include/math.h #define NAN __builtin_nan("") NAN 117 uspace/lib/c/include/math.h #define NAN (0.0 / 0.0) NAN 95 uspace/lib/posix/include/libc/math.h #define NAN __builtin_nan("") NAN 117 uspace/lib/posix/include/libc/math.h #define NAN (0.0 / 0.0)HelenOS homepage, sources at GitHub