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getcwd/getwd : È¡µÃĿǰËùÔÚĿ¼
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#include
char * getcwd(char *buf,size_t size);
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#include
char *getwd(char *buf);
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long pathconf(char* path, int flag);
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chdir/fchdir/chroot : ¸Ä±äĿǰËùÔÚĿ¼
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#include
int chdir(const char * pathname);
int fchdir(int fd);
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if(chdir("..")==-1){
perror("Couldn't change current working directory.\n");
return 1;
}
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#include
int chroot(const char * path);
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