how to eliminate error "incompatible types in assignment" line 17

/* The aim of the program is to split the contents in e[i] and add them to the arrays name , surname and score. */

int main()
{
    int entry,i,option;
    printf("\nPlease indicate the number of records you want to enter :\n");
    scanf("%d",&entry);
    char ent[entry][100],name[entry][20],surname[entry][20],score[entry][10];
    printf("\nPlease input records of students (enter a new line after each record), with following format first name last name score \n");

    for (i=0; i<entry+1; i++)
    {
        gets(ent[i]);
        printf("%s",ent[i]);
    }

    for(i=0; i<entry+1; i++)
    {
        name[i] = strtok(ent[i]," ");   <- Error
        printf("\n%s\n",name[i]);
    }

    printf("\nPlease choose the appropriate options :");
    printf("\nPrint records (press 1)\nSearch by first name (press 2)\nSearch by last name (press 3)\nSort by score (press 4)\nSort by last name (press 5)\nExit the program (press 0)\n");
    scanf("%d",&option);
    return 0;
}