ps3 otheros syscall c programming linux fedora

Hi all, TL;DR does anyone know how to properly make PS3 syscalls in C/C++ from within OtherOS? I recently jailbroke a PS3 with a dead disc drive and got Fedora 12 installed with XFCE4 (3.15 OFW DEX downgrade, OtherOS regular). Been playing around with the SDK, since in school I learned on C...