debian - C programming I want to change the content of the input (Client)

Question

We get a char called DEL demo .txt client, but I want to replace the server part with DEL and replace it with rm, and I want to embed it in the following function

else if (!strcmp(d_name,"DEL"))
    
    {
    put=strcpy(put,)
    
    send(client,del,strlen(put),0);
    memset(put,0,sizeof(del));
    
    
    }

Answer 1

等待大神答复