}intmain(){intnum;printf("请输入一个数字: ");scanf("%d", &num);// 清空输入缓冲区clear_input_buffer();printf("输入已清空,按任意键结束程序\n");getchar();return0; } 在这个例子中,clear_input_buffer函数通过循环读取字符直到读取到换行符('\n')或者文件结束符(EOF),从而清空输入缓冲区。在m...
if(user_name[strlen(user_name) -1] !='\n') { /* Clear input stdin buffer */ intc; while((c = getchar()) !='\n'&& c != EOF); }else{ /* clear '\n', set '\0' */ user_name[strlen(user_name) -1] ='\0'; }...
(这个是任何平台下都可以的)/ .char sbuf1024;/ .fgets( sbuf, 1024, stdin );/ .在windows 的vc下面就可以这样了:for(int i=0;iint n;int ret;do printf( Input an integer: );ret = scanf( %d, &n );while ( getchar() != n ); /* Clear the input buffer */ while ( ret != 1 ...
buffer empty :p \n"); return -10086; } else { rt_data = cbStru_ptr->rt_arr[ cbStru_ptr->dhead_p % DATACAP ]; cbStru_ptr->dhead_p = (cbStru_ptr->dhead_p +1) % DATACAP ; cbStru_ptr->dqlen = (cbStru_ptr->dqlen -1) % DATACAP; return rt_data; } } // Clear ...
puts("Input an integer followed by a char:"); while((ch = getche()) != EOF &&isdigit(ch)){ i = 10 * i + ch - 48; } if(ch != EOF){ ungetch(ch); } printf("\ni = %d, next char in buffer = %c\n", i, getch()); ...
and plaintext from the keyboard. // Part 2: *** /* //Clear the input buffer flushall(); //Recieve the key from the user printf("Enter the Key in hexadecimal: "); for(i=0;i<Nk*4;i++) { scanf("%x",&Key[i]); } printf("Enter the PlainText in hexadecimal: "); for(i=...
dataIn.clear(); dataIn.seekg(0L, ios::beg); 下面的程序演示了如何倒回文件的开始位置。它首先创建一个文件,写入一些文本,并关闭文件;然后打开文件进行输入,一次读取到最后,倒回文件开头,然后再次读取: //Program shows how to rewind a file. It writes a text file and opens it for reading, then ...
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memset(sendbuf.voltage,0,124);//clear send buffer printf("please input message:\n"); fgets(sendbuf.voltage,124,stdin);//input from key panel msgsnd(msgid,(void *)&sendbuf,strlen(sendbuf.voltage),0); } msgctl(msgid,IPC_RMID,NULL); ...
Input (default), Parameter Use the InputOutput scope to map an input passed by a pointer in your C functions. Ports created using an InputOutput scope have the same name for input and output ports. The InputOutput scope enables reuse of buffer for input and output ports. This may optimize...