extracts query, absolute path and address line

Server functions.c

const char* qextract(char* line) {

    //get target line with query in it
    const char* target = textract(line, 0);

    int len = strlen(target);
    char mtarget[len+1];

    // make a more mallible copy
    memcpy(mtarget, target,len);

    // extract query
    char * query = strtok(mtarget, "?");
    query = strtok(NULL, "?");

    // query is not present
    if (query == NULL)
        return "";

    //make sure query isnt empty
    char* test = strchr(target, '?');
    if (test != NULL && strcmp(test+1, "\0") == 0)
        return "";

    //query is good, so return it
    return query;
}


const char* textract(char* line, int type) {

    // copy string to prevent modifying the old one
    int len = strlen(line);
    char lcopy[len+1];
    memcpy(lcopy, line, len);

    // default
    // move to target string
    char * request=strtok(lcopy, " ");
    request = strtok(NULL, " ");

    //address line requested
    if (type == 1) {

        if (strchr(lcopy, '?') != NULL) {
            char * address = strtok(request,"?");
            if (address != NULL)
                return address;
        }

        else 
            return request;
    }

    return request;
}