用Linux

m0_67300779: 想问一下这个程序的设计思路，第一段程序是干嘛用的

m0_52187721: 你好，这个是Linux的吗

God_yue233: example.c: In function ‘main’: example.c:20:10: warning: implicit declaration of function ‘atoi’; did you mean ‘ftok’? [-Wimplicit-function-declaration] shm_size=atoi(argv[1]); ^~~~ ftok example.c:45:24: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘int *’ [-Wformat=] printf("etext address:%x\n",&etext); ~^ ~~~~~~ %ls example.c:46:24: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘int *’ [-Wformat=] printf("edata address:%x\n",&edata); ~^ ~~~~~~ %ls example.c:47:23: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘int *’ [-Wformat=] printf("end address :%x\n",&end); ~^ ~~~~ %ls example.c:48:40: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘char *’ [-Wformat=] p

m0_59620066: 那怎么才能复制单个文件呢

但书_z: 我也一样