man pages section 3: Library Functions
    
P
 
 plock -- lock or unlock into memory process, text, or data ( Index Term Link )
 
 printing, translate binary CMW label to printer banner page fields -- bcltobanner ( Index Term Link )
 
 processes, memory lock or unlock -- plock ( Index Term Link )
 
 pseudo-terminal device, grant access to the slave pseudo-terminal device -- grantpt ( Index Term Link )
 
 pututline -- user accounting database functions ( Index Term Link )
 
 pututxline -- user accounting database functions ( Index Term Link )