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Annotation of researchv10dc/630/man/src/p_man/man3/realtime.3r, revision 1.1

1.1     ! root        1: .ds ZZ DEVELOPMENT PACKAGE
        !             2: .TH REALTIME 3R "630 MTG"
        !             3: .XE "realtime()"
        !             4: .SH NAME
        !             5: realtime \- terminal clock
        !             6: .SH SYNOPSIS
        !             7: \f3
        !             8: unsigned long realtime ( ) 
        !             9: \fR
        !            10: .SH DESCRIPTION
        !            11: The
        !            12: .I realtime
        !            13: function
        !            14: returns the number of 60Hz clock ticks since
        !            15: the terminal was booted.
        !            16: .SH EXAMPLE
        !            17: The following code could be used to roughly measure the performance
        !            18: of \f2bitblt\f1.
        !            19: .PP
        !            20: .RS 3
        !            21: .nf
        !            22: .ft CM
        !            23: #include <dmd.h>
        !            24: unsigned long realtime();
        !            25: 
        !            26: unsigned long
        !            27: perf_bitblt( sb, r, db, p, f)
        !            28: Bitmap *sb, *db;
        !            29: Rectangle r;
        !            30: Point p;
        !            31: Code f;
        !            32: {
        !            33:        unsigned long begin;
        !            34: 
        !            35:        begin = realtime ();
        !            36:        bitblt (sb, r, db, p, f);
        !            37:        return (realtime () - begin);
        !            38: }
        !            39: \fR
        !            40: .fi
        !            41: .RE
        !            42: .ft R

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