Enter X, Y coordinates for your move : 2,3
_0|_0|__
_X|_X|_X
| |
Congratulation Player 1 ! you have WON!
Want to play again? y/n

How can I reset the array in order to continue playing after finish playing the first round?

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
char array[5][5]={' ','|',' ','|',' ','-',' ','-',' ','-',' ','|',' ','|',' ','-',' ','-',' ','-',' ','|',' ','|',' '};
void display();
char check(void);

int main()
{
    int i=0,playa=1,f,z,t,conti=1;
    char done,var1='y';


    for (t=1;t>0;t++)
    {
        if (conti==1)
        {

            for(i=0;i<9;i++)
            {
                if(playa==1)
                {

                printf("Player %d's turn.\n\n",playa);
                display();
                printf("\nEnter X,Y coordinates for your move :");
                scanf_s("%d %d",&f,&z);
                if (f==1&&z==1)
                {
                    array[0][0]='X';
                }
                if (f==1&&z==2)
                {
                    array[0][2]='X';
                }
                if (f==1&&z==3)
                {
                    array[0][4]='X';
                }
                if (f==2&&z==1)
                {
                    array[2][0]='X';
                }
                if (f==2&&z==2)
                {
                    array[2][2]='X';
                }
                if (f==2&&z==3)
                {
                    array[2][4]='X';
                    }
                if (f==3&&z==1)
                {
                    array[4][0]='X';
                }
                if (f==3&&z==2)
                {
                    array[4][2]='X';
                }
                if (f==3&&z==3)
                {
                    array[4][4]='X';
                }   
                display();
                if(check()  != 'c')
                break;
                playa++;
                }

                else 
                {
                    printf("Player %d's turn.\n\n",playa);
                    display();
                    printf("\nEnter X,Y coordinates for your move :");
                    scanf_s("%d %d",&f,&z);
                    if (f==1&&z==1)
                    {
                        array[0][0]='O';
                    }
                    if (f==1&&z==2)
                    {
                        array[0][2]='O';
                    }
                    if (f==1&&z==3)
                    {
                        array[0][4]='O';
                    }
                    if (f==2&&z==1)
                    {
                        array[2][0]='O';
                    }
                    if (f==2&&z==2)
                    {
                        array[2][2]='O';
                    }
                    if (f==2&&z==3)
                    {
                        array[2][4]='O';
                    }
                    if (f==3&&z==1)
                    {
                        array[4][0]='O';
                    }
                    if (f==3&&z==2)
                    {
                        array[4][2]='O';
                    }
                    if (f==3&&z==3)
                    {
                        array[4][4]='O';
                    }               
                    display();
                    if(check()  != 'c')
                    break;
                    --playa;
                }

            }

            done=check();

            if(done=='X')
            {   printf("\nthe winner is player 1\n");
            char array[5][5]={' ','|',' ','|',' ','-',' ','-',' ','-',' ','|',' ','|',' ','-',' ','-',' ','-',' ','|',' ','|',' '};
            }
            if(done=='O')
            {   printf("\nthe winner is player 2\n");
            }
            if(done!='X'&&done!='O')
            {   printf("No winners");
            }

            printf("\n\nPlease input 1 to continue, 0 to exit. ");
            scanf_s("%d",&conti);

        }
        else if(conti==0)
        {

            return 0;
        }
        else
        {

            printf("Please enter either 1 to continue, 0 to exit. ");
            scanf_s("%d",&conti);

        }


    }
        return 0;
}

char check(void)
{

 char letter='c';

 {
     if(array[0][0]==array[0][2] && array[0][0]==array[0][4]&&array[0][0]!= ' ') 
         letter= array[0][0]; 

     if(array[2][0]==array[2][2] && array[2][0]==array[2][4]&&array[2][0]!= ' ') 
         letter= array[2][0]; 

     if(array[4][0]==array[4][2] && array[4][0]==array[4][4]&&array[4][0]!= ' ') 
         letter= array[4][0]; 

 }

 {
     if(array[0][0]==array[2][0] && array[0][0]==array[4][0] &&array[0][0]!= ' ') 
         letter= array[0][0]; 

     if(array[0][2]==array[2][2] && array[0][2]==array[4][2] &&array[0][2]!= ' ') 
         letter= array[0][2]; 

     if(array[0][4]==array[2][4] && array[0][4]==array[4][4] &&array[0][4]!= ' ') 
         letter= array[0][4];

 }
 {
     if( array[0][0]==array[2][2] && array[0][0]==array[4][4] &&array[0][0]!= ' ')
         letter= array[0][0];

 }
 {
     if( array[0][4]==array[2][2] && array[0][4]==array[4][0]&&array[0][4]!= ' ' )
         letter= array[0][4];

 }
return letter;
}

void display()
{
    int i,l;

    for(i=0;i<=4;i++)
    {
        for(l=0;l<=4;l++)
        {
            printf("%c",array[i][l]);
        }

        printf("\n");
    }
}

You could write a function to loop over array, assigning the appropriate values to the right places.

You could have a duplicate of array that you don't change during the game, then just copy it into array when you want to reset.

My advice is that you don't mix the board-drawing parts like '|' with the game state. Just have a 3x3 array for the game, and handle drawing the lines in display(). Then all you have to do to reset is set everything in that array to spaces.