#include <iostream.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>

void main()

{clrscr();
 char s1[20],s2[20],s3[20],s4[40];

 int b,n;

 long int c;
 cout<<"Dati sirul 1:"
  cin.getline(s1,20,'.');
   cout<<endl;
 cout<<"Dati sirul 2:";
  cin.getline(s2,20,'.');

 cout<<"Lumngimea lui s1 este:"<<strlen(s1);
  strcpy(s3,s2);
 cout<<"\nSirul s3 este"<<s3;
 cout<<"\nComparam s1 cu s2"<<strcmp(s1,s2);
  s4=strcat(s1,s2);
 cout<<"\nSirurile alipite"<<s4;
  strset(s4,'+');
 cout<<"\nSirul initializat este"<<s4;
 cout<<"\nSirul inversat este:"<<strrev(s3);

 cout<<"\nDati s4 cu litere mari";
  cin.getline(s4,40,'.');

 cout<<"\ns4 cu litere mici este"<<strlwr(s4);
 cout<<"\ns4 cu litere mari este"<<strupr(s4);
 cout<<"\nCaracterul citit este"<<strchr(s4,'c');
 cout<<"\nSirul cautat in sir este"<<strstr(s4,s1);
 cout<<"\nSirul transformat intreg este"<<atoi(s1);
 cout<<"\nSirul in variabila de tip long este:"<<atol(s4);
 cout<<"\nSirul in variabila de tip float este"<<atof(s4);

 cout<<"\nDati baza de transformare";
  cin>>b;

 cout<<"\nDati n";
  cin>>n;

 cout<<"\nNumarul intreg n transformat in baza b este"<<itoa(n,s1,b);

 cout<<"\nDati numarul c";
  cin>>c;

 cout<<"\nNumarul long int c transformat in baza b este"<<ltoa(c,s1,b);

 getch();
 }