?? fig14.17
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#include "apue.h"#include <fcntl.h>intmain(int argc, char *argv[]){ int i, fd; for (i = 1; i < argc; i++) { if ((fd = open(argv[i], O_RDONLY)) < 0) { err_ret("%s: can't open", argv[i]); continue; } if (isastream(fd) == 0) err_ret("%s: not a stream", argv[i]); else err_msg("%s: streams device", argv[i]); } exit(0);}?? 快捷鍵說明
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