warning: incompatible implicit declaration of built-in function ‘memset’

Posted 2023-02-21 柳鲲鹏

• 具体错误

n ‘memset’ [-Wbuiltin-declaration-mismatch]

   47 |     memset(yuvbuf, 0, nWidth*3);

      |     ^~~~~~

YuyvToJpg.c:47:5: note: include ‘<string.h>’ or provide a declaration of ‘memset

• 解决办法

按照提示，包含一个头文件即可：

#include<string.h>