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Annotation of researchv10no/cmd/basic/bite/src/strcat.c, revision 1.1.1.1

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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