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Annotation of 43BSDTahoe/ucb/telnet/Source/general.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that this notice is preserved and that due credit is given
        !             7:  * to the University of California at Berkeley. The name of the University
        !             8:  * may not be used to endorse or promote products derived from this
        !             9:  * software without specific prior written permission. This software
        !            10:  * is provided ``as is'' without express or implied warranty.
        !            11:  *
        !            12:  *     @(#)general.h   1.2 (Berkeley) 3/8/88
        !            13:  */
        !            14: 
        !            15: /*
        !            16:  * Some general definitions.
        !            17:  *
        !            18:  * @(#)general.h       3.1 (Berkeley) 8/11/87
        !            19:  */
        !            20: 
        !            21: 
        !            22: #define        numberof(x)     (sizeof x/sizeof x[0])
        !            23: #define        highestof(x)    (numberof(x)-1)
        !            24: 
        !            25: #if    defined(unix)
        !            26: #define        ClearElement(x)         bzero((char *)&x, sizeof x)
        !            27: #define        ClearArray(x)           bzero((char *)x, sizeof x)
        !            28: #else  /* defined(unix) */
        !            29: #define        ClearElement(x)         memset((char *)&x, 0, sizeof x)
        !            30: #define        ClearArray(x)           memset((char *)x, 0, sizeof x)
        !            31: #endif /* defined(unix) */
        !            32: 
        !            33: #if    defined(unix)           /* Define BSD equivalent mem* functions */
        !            34: #define        memcpy(dest,src,n)      bcopy(src,dest,n)
        !            35: #define        memmove(dest,src,n)     bcopy(src,dest,n)
        !            36: #define        memset(s,c,n)           if (c == 0) { \
        !            37:                                    bzero(s,n); \
        !            38:                                } else { \
        !            39:                                    register char *src = s; \
        !            40:                                    register int count = n; \
        !            41:                                        \
        !            42:                                    while (count--) { \
        !            43:                                        *src++ = c; \
        !            44:                                    } \
        !            45:                                }
        !            46: #define        memcmp(s1,s2,n)         bcmp(s1,s2,n)
        !            47: #endif /* defined(unix) */

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