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Annotation of researchv10no/cmd/basic/bite/src/cover.c, revision 1.1

1.1     ! root        1: /* Copyright Bell Telephone Laboratories Whippany, N.J.
        !             2: 
        !             3:  *     ***********************************
        !             4:  *     ***********************************
        !             5:  *     ***** COVER UP DELETED LINES ******
        !             6:  *     *** R. B. Drake WH 8C-005 X4163 ***
        !             7:  *     **** Fri Aug 24 17:11:58 1979 *****
        !             8:  *     ***********************************
        !             9:  *     ***********************************
        !            10:  * This routine is
        !            11:  * called by "bed" and used to slide the program txtbuf down when
        !            12:  *   necessary to reclaim space created by the shortening of a line
        !            13:  *   or by a delete 
        !            14: 
        !            15: */
        !            16: /*   "@(#) cover.c:  V 1.1  12/21/80" */
        !            17: #include "bas.h"
        !            18: cover(f,t)
        !            19: char *f,*t;
        !            20: 
        !            21: {
        !            22: register char *from,*to;
        !            23:                from=f;to=t;
        !            24:                curptr = to;
        !            25:                clear();
        !            26:                while(from != linptr)
        !            27:                        *to++ = *from++;
        !            28:                linptr -= from - to;
        !            29:                *linptr = '\0';
        !            30:                *(linptr+1) = '\0';
        !            31:                *(linptr+2) = '\0'; /* two zero bytes for eof */
        !            32:                update();
        !            33:                return(0);
        !            34: }

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