psp2/kernel/clib.h: add a few defines
psp2/kernel/clib.h: add a few defines

meetpatty/vita-headers,vitasdk/vita-headers,meetpatty/vita-headers,meetpatty/vita-headers,Rinnegatamante/vita-headers,vitasdk/vita-headers,vitasdk/vita-headers,Rinnegatamante/vita-headers,vitasdk/vita-headers,Rinnegatamante/vita-headers,Rinnegatamante/vita-headers,meetpatty/vita-headers