#include
#include
#include
#include
#include
#include
#include
#include
#include
#define s 100
void treedisplay();
void treecreat();
void filecreatopen();
void fileread(char pathname);
void filewrite(char pathname);
void treeopen();
void treeback();
long treefilecopy(char copybuf,char copyname);
void treefilepaste(int len,char pastebuf,char copyname);
void treedelete();
void filedelete();
void treefileproperty();
void displayproperty();
void modifypurview(char pathname);
void treefilerename();
void changesize();
main()
break;
case 2:break;
case 3:break;
case 4:break;
case 5:break;
case 6:
void treecreat()
}while(fd==-1);
}void fileread(char pathname)
fclose(fp);
}void filewrite(char pathname)
fclose(fp);
}void treeopen()
else
}void treeback()
long treefilecopy(char copybuf,char copyname)
stat(copyname,&buf);
size=buf.st_size;
read(fd,copybuf,size);
return size;
}void treedelete()
else
}void filedelete()
else
}void treefileproperty()
break;
case 2:break;
case 3:break;
case 4:break;
}}while(cord<=3);
}void displayproperty()
stat(pathname,&buf);
mode=buf.st_mode;
printf("%-10s","mode:");
printf("%10s","read");printf("%10s","write");
printf("%10s","execute/n");printf("%10s","all user");
if((mode&0400)==s_irusr)printf("%10s","true");
else printf("%10s","false");
if((mode&0200)==s_iwusr)printf("%10s","true");
else printf("%10s","false");
if((mode&0100)==s_ixusr)printf("%10s","true/n");
else printf("%10s","false/n");
printf("%10s","group");
if((mode&040)==s_irgrp)printf("%10s","true");
else printf("%10s","false");
if((mode&020)==s_iwgrp)printf("%10s","true");
else printf("%10s","false");
if((mode&010)==s_ixgrp)printf("%10s","true/n");
else printf("%10s","false/n");
printf("%10s","other user");
if((mode&04)==s_iroth)printf("%10s","true");
else printf("%10s","false");
if((mode&02)==s_iwoth)printf("%10s","true");
else printf("%10s","false");
if((mode&01)==s_ixoth)printf("%10s","true/n");
else printf("%10s","false/n");
printf("sizeld/n",buf.st_size);
printf("blk sizeld/n",buf.st_blksize);
printf("modify the purview?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')modifypurview(pathname);
}void modifypurview(char pathname)
printf("all user write?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("all user execute?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("group read?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("group write?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("group execute?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("other user read?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("other user write?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
printf("other user execute?(y/n)");
scanf("%c",&choose);scanf("%c",&choose);
if(choose=='y')
if(!c)chmod(pathname,c);
displayproperty();
}void treefilerename()
else
}void changesize()
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