我無(wú)法弄清楚為什么我的while循環(huán)不起作用。代碼在沒(méi)有它的情況下正常工作......代碼的目的是在bin文件中查找秘密消息。所以我得到了代碼來(lái)查找字母,但現(xiàn)在當(dāng)我嘗試將其循環(huán)到文件末尾時(shí),它不起作用。我是新來(lái)的。我究竟做錯(cuò)了什么?main(){FILE* message;int i, start;long int size;char keep[1];message = fopen("c:\\myFiles\\Message.dat", "rb");if(message == NULL){ printf("There was a problem reading the file. \n"); exit(-1);}//the first 4 bytes contain an int that tells how many subsequent bytes you can throw awayfread(&start, sizeof(int), 1, message);printf("%i \n", start); //#of first 4 bytes was 280fseek(message, start, SEEK_CUR); //skip 280 byteskeep[0] = fgetc(message); //get next character, keep itprintf("%c", keep[0]); //print characterwhile( (keep[0] = getc(message)) != EOF) { fread(&start, sizeof(int), 1, message); fseek(message, start, SEEK_CUR); keep[0] = fgetc(message); printf("%c", keep[0]);}fclose(message);system("pause");}編輯:在調(diào)試器中查看我的代碼后,看起來(lái)在while循環(huán)中使用“getc”會(huì)將所有內(nèi)容都拋棄。我通過(guò)創(chuàng)建一個(gè)名為letter的新char來(lái)修復(fù)它,然后用以下代碼替換我的代碼:fread(&start, sizeof(int), 1, message);fseek(message, start, SEEK_CUR);while( (letter = getc(message)) != EOF) { printf("%c", letter); fread(&start, sizeof(int), 1, message); fseek(message, start, SEEK_CUR);}它現(xiàn)在就像一個(gè)魅力。當(dāng)然,歡迎提出更多建議。感謝大家。
而((c = getc(file))!= EOF)循環(huán)不會(huì)停止執(zhí)行
慕田峪4524236
2019-09-06 16:03:13