读书人

再问C++转C的有关问题

发布时间: 2012-03-30 17:32:09 作者: rapoo

再问C++转C的问题
C++语句如下:
unsigned char ** buffer;

buffer = new unsigned char * [height];
buffer[0] = new unsigned char[height * width];

上述两个转成纯C应怎样写,有点不太清楚其区别,哪位在虾帮忙指点一下.
昨天的给的还是不行.
unsigned char ** buffer;

buffer = ( unsigend char **)malloc(sizeof(unsigend char*) * height );
buffer[0] = ( unsigend char *)malloc(sizeof(unsigend char) * height * width );

上述能编译过,但应用起来取值不对.

[解决办法]
unsigned char ** buffer;

buffer = ( unsigend char **)malloc(sizeof(unsigend char*) * height );
*buffer[0] = ( unsigend char *)malloc(sizeof(unsigend char) * height * width );

读书人网 >C语言

热点推荐