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*printf uses heap?

d200guy
Intellectual 555 points

DSP: TMS320C28346

PC: Windows XP

IDE: Code Composer 4.1.2

BIOS: 5.41

I'm trying to manage memory very tightly in my application.  I'd rather not create a heap if I don't need one.  Do any of the following functions use heap?

- snprintf

- va_start / va_end

- vsnprintf

Thanks!