创建写共享内存的例子，学习ipc的好-create shared memory example, a good learning IPS as moving

共享内存的源代码，很有意思的，欢迎大家下载使用，谢谢大家-shared memory of source code, the very interesting and you are welcome to download, thank you

#include shm.h int main(int argc,char *argv[]) { key_t key int shm_id char *buf //鑾峰緱key if((key = ftok( ./ ,0xa)) < 0){ perror( ftok ) exit(1) } //鑾峰緱鍏变韩鍐呭瓨 if((s