file/filetype.c
#include "apue.h" int main(int argc, char *argv[]) { int i; struct stat buf; char *ptr; for (i = 1; i < argc; i++) { printf("%s: ", argv[i]); if (lstat(argv[i], &buf) < 0) { err_ret("lstat error"); continue; } if (S_ISREG(buf.st_mode)) ptr = "regular"; else if (S_ISDIR(buf.st_mode)) ptr = "directory"; else if (S_ISCHR(buf.st_mode)) ptr = "character special"; else if (S_ISBLK(buf.st_mode)) ptr = "block special"; else if (S_ISFIFO(buf.st_mode)) ptr = "fifo"; else if (S_ISLNK(buf.st_mode)) ptr = "symbolic link"; else if (S_ISSOCK(buf.st_mode)) ptr = "socket"; else ptr = "** unknown mode **"; printf("%s\n", ptr); } exit(0); }
4.1 对每个命令行参数打印文件类型,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/paullam/p/3849965.html