Can not find C++ sprintf function

I see in the help documentation that C++ supports sprintf, but there seems to be an error reported in actual use.
The program can’t seem to find the sprinf function definition, is there a setting required?

Hi ,

did you include string.h?

I think you have to include <stdio.h> and not <string .h> and define a bur_heap_size.

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Thanks. I include the wrong header file.