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

1.1     ! root        1: /* Copyright Bell Telephone Laboratories Whippany, N.J.
        !             2: 
        !             3:  *     ***********************************
        !             4:  *     ***********************************
        !             5:  *     ****** STRING CONCATINATION *******
        !             6:  *     *** R. B. Drake WH 8C-005 X4163 ***
        !             7:  *     **** Sun Aug 26 11:42:03 1979 *****
        !             8:  *     ***********************************
        !             9:  *     ***********************************
        !            10:  * This routine is similar to the UNIX 'strcat' except that the pointer
        !            11:  * it returns is to the end of the resultant string instead of the
        !            12:  * beginning. This is useful when several 'strcat' calls are used in
        !            13:  * succession to build a string. With the UNIX version the entire string
        !            14:  * must be scanned from the beginning to find the end. With this one
        !            15:  * we already have the end after the first call.
        !            16: 
        !            17: */
        !            18: /*   "@(#) strcat.c:  V 1.1  12/21/80" */
        !            19: 
        !            20: char *Strcat(s,t)
        !            21: char *s,*t;
        !            22: {
        !            23:        register char *s1,*t1;
        !            24:        s1=s;t1=t;
        !            25:        while(*s1) s1++;
        !            26:        while(*t1)
        !            27:                *s1++= *t1++;
        !            28:        *s1='\0';
        !            29:        return(s1);
        !            30: }
        !            31: /* add a char to a string and return ptr to end of string */
        !            32: char *carcat(s,t)
        !            33: char *s,t;
        !            34: {
        !            35:        char register *s1;
        !            36:        s1=s;
        !            37:        while(*s1) s1++;
        !            38:        *s1++ = t;
        !            39:        *s1='\0';
        !            40:        return(s1);
        !            41: }

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