man pages section 3: Library Functions
    
U
 
 unlock address space, -- munlockall ( Index Term Link )
 
 unlock memory pages, -- munlock ( Index Term Link )
 
 updwtmp -- user accounting database functions ( Index Term Link )
 
 updwtmpx -- user accounting database functions ( Index Term Link )
 
 user accounting database functions -- endutent ( Index Term Link )
 
 user accounting database functions -- endutxent ( Index Term Link )
 
 user accounting database functions -- getutent ( Index Term Link )
 
 user accounting database functions -- getutid ( Index Term Link )
 
 user accounting database functions -- getutline ( Index Term Link )
 
 user accounting database functions -- getutmp ( Index Term Link )
 
 user accounting database functions -- getutmpx ( Index Term Link )
 
 user accounting database functions -- getutxent ( Index Term Link )
 
 user accounting database functions -- getutxid ( Index Term Link )
 
 user accounting database functions -- getutxline ( Index Term Link )
 
 user accounting database functions -- pututline ( Index Term Link )
 
 user accounting database functions -- pututxline ( Index Term Link )
 
 user accounting database functions -- setutent ( Index Term Link )
 
 user accounting database functions -- setutxent ( Index Term Link )
 
 user accounting database functions -- updwtmp ( Index Term Link )
 
 user accounting database functions -- updwtmpx ( Index Term Link )
 
 user accounting database functions -- utmpname ( Index Term Link )
 
 user accounting database functions -- utmpxname ( Index Term Link )
 
 utmpname -- user accounting database functions ( Index Term Link )
 
 utmpxname -- user accounting database functions ( Index Term Link )