Manual Pages for UNIX Operating System command usage for man difftime

Standard C Library Functions                         difftime(3C)



NAME
     difftime - computes  the  difference  between  two  calendar
     times

SYNOPSIS
     #include 

     double difftime(time_t time1, time_t time0);


DESCRIPTION
     The difftime() function computes the difference between  two
     calendar times.

RETURN VALUES
     The difftime()  functions  returns  the  difference  (time1-
     time0) expressed in seconds as a double.

USAGE
     The difftime() function is provided  because  there  are  no
     general arithmetic properties defined for type time_t.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|
    | Standard                    | See standards(5).           |
    |_____________________________|_____________________________|


SEE ALSO
     ctime(3C), attributes(5), standards(5)














SunOS 5.11          Last change: 24 Jul 2002                    1