ets_install_putc2() function
Ets_printf have two output functions: putc1 and putc2, both of which will be called if need output. To install putc2, which is defaulted installed as NULL.
Syntax
void ets_install_putc2(void (*p)(char c)); Return value
None
ets_install_putc2() is called by 1 function:
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ets_install_putc2()