c - 我如何按块读取c中的图像文件？

我想在c中读取图像，但在限制字节中，这意味着要读取n个字节，直到所有图像结束

FILE *stream ;

FILE *stream1;

stream= fopen(pFile, "rb");

//when stream still bytes in stream

do

{

 numread = fread( stream1, sizeof( char ), 64, stream );

//treat the stream1

}

最佳答案

您基本上需要这样：

FILE *stream1;

stream1 = fopen(pFile, "rb");

if (stream1 == NULL)
{
  printf("Failed to open file");
  return 1;
}

int numread;

do
{
  char buffer[64];
  numread = fread(buffer, sizeof(char), 64, stream1);

  // now buffer contains the 'numbytes' bytes you have read

} while (!feof(stream1)):

关于c - 我如何按块读取c中的图像文件？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/40153837/