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Annotation of 43BSD/usr.lib/sendmail/src/bcopy.c, revision 1.1

1.1     ! root        1: /*
        !             2: **  Sendmail
        !             3: **  Copyright (c) 1983  Eric P. Allman
        !             4: **  Berkeley, California
        !             5: **
        !             6: **  Copyright (c) 1983 Regents of the University of California.
        !             7: **  All rights reserved.  The Berkeley software License Agreement
        !             8: **  specifies the terms and conditions for redistribution.
        !             9: */
        !            10: 
        !            11: #ifndef lint
        !            12: static char    SccsId[] = "@(#)bcopy.c 5.1 (Berkeley) 6/7/85";
        !            13: #endif not lint
        !            14: 
        !            15: # include "useful.h"
        !            16: 
        !            17: /*
        !            18: **  BCOPY -- block copy.
        !            19: **
        !            20: **     Parameters:
        !            21: **             s -- source of bytes.
        !            22: **             d -- destination of bytes.
        !            23: **             l -- length of block to move.
        !            24: **
        !            25: **     Returns:
        !            26: **             none.
        !            27: **
        !            28: **     Side Effects:
        !            29: **             copies 's' to 'd' for 'l' bytes.
        !            30: **
        !            31: **     Notes:
        !            32: **             This can be easily written in assembly language on
        !            33: **             machines like VAXes if performance is needed.
        !            34: */
        !            35: 
        !            36: /*VARARGS0*/
        !            37: bcopy(s, d, l)
        !            38:        register char *s, *d;
        !            39:        register int l;
        !            40: {
        !            41:        while (l-- > 0)
        !            42:                *d++ = *s++;
        !            43: }
        !            44: /*
        !            45: **  BZERO -- zero a block of memory
        !            46: **
        !            47: **     Parameters:
        !            48: **             p -- location to clear.
        !            49: **             l -- number of bytes to clear.
        !            50: **
        !            51: **     Returns:
        !            52: **             none.
        !            53: **
        !            54: **     Side Effects:
        !            55: **             none.
        !            56: */
        !            57: 
        !            58: bzero(p, l)
        !            59:        register char *p;
        !            60:        register int l;
        !            61: {
        !            62:        while (l-- > 0)
        !            63:                *p++ = 0;
        !            64: }

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