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

1.1     ! root        1: /* Copyright Bell Telephone Laboratories Whippany, N.J.
        !             2: 
        !             3:  *     /////////////////////////////////////
        !             4:  *     /////////////////////////////////////
        !             5:  *     ////////////// equal.c //////////////
        !             6:  *     /// J. P. Hawkins WH X4610 8C-001 ///
        !             7:  *     ///// Sun Aug 26 08:11:11 1979 //////
        !             8:  *     /////////////////////////////////////
        !             9:  *     /////////////////////////////////////
        !            10: 
        !            11:  *
        !            12:  * This function is similar, but NOT the same as strcmp
        !            13:  * If the string being tested begins with the character string
        !            14:  * being compared to the test passes and is non-zero (length of string)
        !            15:  * If the test fails a zero is returned.
        !            16:  * this philosophy lends itself to code that appears like
        !            17:  *     if(equal(buf,"jim"))
        !            18:  */
        !            19: /*   "@(#) equal.c:  V 1.1  12/21/80" */
        !            20: equal(ptr,string)
        !            21: char   *ptr;
        !            22: char   *string;
        !            23: {
        !            24:        register char   *i, *j;
        !            25:        i = ptr;
        !            26:        j = string;
        !            27: 
        !            28:        while((*i == *j) && (*j != '\0'))
        !            29:        {
        !            30:                j++;
        !            31:                i++;
        !            32:        }
        !            33:        if(*j == '\0')
        !            34:                return(j - string);
        !            35:        return(0);
        !            36: }

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