https://blog.csdn.net/weiwei_baby/article/details/60764961

https://blog.csdn.net/selooloo/article/details/4957204?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param

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%hd, %hi	short int *
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%e, %f, %g	float *
%le, %lf, %lg	double *
%s		char *
%[...]		char *
%p		void **
%n		int *
%%		none