I've just installed ps2-gcc and tried to compile my ttc 19 demo, changing all #include <stdilb.h>'s to #include <malloc.h> made all files compile except math.c which uses vrsqrt in vu macro mode in some inline assembler code:
pixel: A mischievous magical spirit associated with screen displays. The computer industry has frequently borrowed from mythology. Witness the sprites in computer graphics, the demons in artificial intelligence and the trolls in the marketing department.