forc99.c

C Primer Plus 第五版书中的代码

//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;
}