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Annotation of 43BSD/usr.lib/sendmail/src/bcopy.c, revision 1.1.1.1

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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