c - 根据用户的输入结束循环

Question

我的程序接受用户提供的数字来确定正在记录的序列的长度。我如何获取该数字并让它确定执行此循环的次数。 while(true) 显然根本不允许循环结束。

提前致谢

这是从 MIDI 输入合成声音的函数

void midisound (int note)
    {
        int velocity;
        int playingNote = -1;
        float frequency;

        while(true)
        {
            note = aserveGetNote();
            velocity = aserveGetVelocity();

            if(velocity > 0)
            {
                frequency = 440 * pow(2, (note-69) / 12.0);
                aserveOscillator(0, frequency, 1.0, 0);
                playingNote = note;
            }
            else if(note == playingNote)
            {
                aserveOscillator(0, 0, 0, 0);
            }

        }


    }

---here is where function ^ is called in the program----

   if (reclayer == 1)
                    {
                        //open first text file for layer 1 to be written to
                        textFilePointer = fopen("recording1.txt", "w+");
                        if(textFilePointer == NULL)
                        {
                            printf("Error Opening File!");
                        }
                        else
                        {

                            //function call to write notes and vel data
                            notetofile(input, seqlen, reclayer);
                            printf("Would you like to record a second layer or re-record? (y or n)\n");
                            scanf(" %c", &choice2);
                        }

                    }

Answer 1

使用 for 循环。

for ( i = 0; i < note; i++ ) {
    // Your code here
}

这将执行“note”多次。