clear.c

里面包含很多c语言的源码

/* Clearing stdin of extra characters. */
/* Using the fflush() function         */
#include <stdio.h>

int main( void )
{
    int age;
    char name[20];

    /* Prompt for user's age. */
    puts("Enter your age.");
    scanf("%d", &age);

    /* Clear stdin of any extra characters. */
    fflush(stdin);

    /* Now prompt for user's name. */
    puts("Enter your first name.");
    scanf("%s", name);

    /* Display the data. */
    printf("Your age is %d.\n", age);
    printf("Your name is %s.\n", name);

    return 0;
}