man pages section 3: Library Interfaces and Headers
    
P
 
 PAM (Pluggable Authentication Module) library — libpam ( Index Term Link )
 
 panels library — libpanel ( Index Term Link )
 
 PICL library — libpicl ( Index Term Link )
 
 PICL plug-in library — libpicltree ( Index Term Link )
 
 pool configuration manipulation library — libpool ( Index Term Link )
 
 POSIX.1b Realtime Extensions library — libposix4 ( Index Term Link )
 
 POSIX.1b Realtime Extensions library — librt ( Index Term Link )
 
 POSIX threads library — libpthread ( Index Term Link )
 
 process accounting, — acct ( Index Term Link )
 
 processes
  base signals — signal ( Index Term Link )
  signal generation information — siginfo ( Index Term Link )
  wait status — wstat ( Index Term Link )
 
 product install registry library — libwsreg ( Index Term Link )