different:
单片机:#include "usart.h"
c语言:#include "stdio.h"
单片机:
printf("%d",printf("hello worldn"));
输出为"hello world12"
c语言:
printf("%d","hello world");
输出为"4333596"(Ascall码)

different:
单片机:#include "usart.h"
c语言:#include "stdio.h"
单片机:
printf("%d",printf("hello worldn"));
输出为"hello world12"
c语言:
printf("%d","hello world");
输出为"4333596"(Ascall码)