#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((shm_id = shmget(key,SHM_SIZE,IP