}

/////////////////////////////////////////////////////////////////////

void soxran(predpry* nach)

{

tek=nach->next;

if (tek==0)

{

cout<<"\nSPISOK PUST!";

return;

}

int k=0;

char fname[8];

cout << "\nVVEDITE IMY'A FAILA \n";

cin >> fname;

ofstream potok;

potok.open(fname,ios::out|ios::binary);

if(!potok)

{

cout << "\nOSHIBKA OTKRITIA FAILA!";

return;

}

while (tek!=0)

{

strcpy(buf.nazva,tek->nazva);

buf.valprod = tek->valprod;

buf.kolrab = tek->kolrab;

buf.proizv = tek->proizv;

potok.write((char*)&buf, sizeof(buf));

tek=tek->next;

k++;

}

cout << "\nSOHRANENO " << k << " ZAPISEY";

potok.close();

}

//////////////////////////////////////////////////////////////////////////////////

void vossosdanie(predpry* nach)

{

long kol;

int k=0;

char fname[8];

cout << "\nVVEDITE IMY'A FAILA \n";

cin >> fname;

fstream potok;

potok.open(fname,ios::app|ios::binary|ios::nocreate);

if(!potok)

{

cout << "\nOSHIBKA OTKRITIA FAILA!\n";

return;

}

potok.seekp(0,ios::end);

kol = potok.tellp( ) / sizeof(predpry);

potok.close();

cout << kol;

potok.open(fname,ios::in|ios::binary);

nach->next = 0;

predpry* nov;

predpry* tek1;

for(int i=0; i<kol; i++)

{

potok.read((char*)&buf, sizeof(buf));

tek=nach->next;

tek1=nach;

nov=new predpry;

strcpy(nov->nazva,buf.nazva);

nov->valprod = buf.valprod;

nov->kolrab = buf.kolrab;

nov->proizv = buf.proizv;

nov->next=tek1->next;

tek1->next=nov;

k++;

}

cout << "\nVOSSOZDANO " << k << " ZAPISEY\n";

potok.close();

}

////////////////////////////////////////////////////////////////////////////

void ochistka(predpry *nach)

{

int k=0;

tek=nach->next;

if (tek==0)

{

cout<<"\nSPISOK PUST!";

return ;

}

while (tek!=0)

{

delete tek;

tek=tek->next;

k++;

}

nach->next=0;

cout << "\nUDALENO " << k << " ELEMENTOV SPISKA";

}