forc99.c

经典书籍：C Primer Plus(第五版)中文版和源代码 本书全面讲述了C语言编程的相关概念和知识。全书共17章。第1, 2章学习C语言编程所需的预备知识。第3到15章介绍了C语言 的相关知一

//forc99.c -- new C99 block rules
#include <stdio.h>
int main()
{
    int n = 10;
    
    printf("Initially, n = %d\n", n);
    for (int n = 1; n < 3; n++)
        printf("loop 1: n = %d\n", n);
    printf("After loop 1, n = %d\n", n);
    for (int n = 1; n < 3; n++)
    {
        printf("loop 2 index n = %d\n", n);
        int n = 30;
        printf("loop 2: n = %d\n", n);
        n++;
    }
    printf("After loop 2, n = %d\n", n);
 
    return 0;
}