使用/打印长字符串

#include <stdio.h>
int main(void)
{
    printf("line 1 ");
    printf("line 2./n");
    printf("Here's another way to print a /
           long string./n");

    printf("Here's the newest way to print a "
           "long string./n");      /* ANSI C */

    return 0;
}