?? ls1.c
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#include "apue.h"#include <dirent.h>intmain(int argc, char *argv[]){ DIR *dp; struct dirent *dirp; if (argc != 2) err_quit("usage: ls directory_name"); if ((dp = opendir(argv[1])) == NULL) err_sys("can't open %s", argv[1]); while ((dirp = readdir(dp)) != NULL) printf("%s\n", dirp->d_name); closedir(dp); exit(0);}?? 快捷鍵說明
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