man3project - Project Database Access Library Functions

getprojent(3project): getprojent, getprojbyname, getprojbyid, getdefaultproj, inproj, getprojidbyname, setprojent, endprojent, fgetprojent - project database entry operations
project_walk(3project): project_walk - visit active project IDs on current system
setproject(3project): setproject - associate a user process with a project