OS X
How to get root access on mac os xUnix Programming Tutorials
programming on os x keeping potability to linux/bsd: http://www.gnustep.org/
sc3 synthdefs are mach-o bundles
C/Objective-C related:
http://www.gnustep.org/resources/ObjCFun.htmlthe gnustep wiki
online objective c resources
quicktime api
osc-wrapper by c.ramacrishnan: http://www.mat.ucsb.edu/~c.ramakr/illposed/objcosc.html