for_show.c

C Primer Plus(第五版)中文版,不用多说了

/* for_show.c */
#include <stdio.h> 
int main(void)
{ 
    int num = 0; 

    for (printf("Keep entering numbers!\n"); num != 6;  ) 
        scanf("%d", &num); 
    printf("That's the one I want!\n");
    return 0; 
}