在父进程和子进程之间发送Receive Char *

Im trying to get the string in the parent process and pass it to the child who then sends back a string stating its strength based on the passTest() method. it seems to send the string to the child properly but it then says that it failed the read condition on the parent before it finishes evaluating the received string in the child process. The parent should be waiting for the child to write because of this shouldnt it?Im trying to get the string in the parent proce