guys i want to create command text and when i write command text :dosya1 i want to see dosya1 on execuation place please help

Question

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define LINE_LENGTH 256

int main(){

FILE *dosya;
char Ismi[50][50];
char number[10][10];
//'number' holds students number
int index=0;
printf("LIST 1\n");
printf("\n");
if ((dosya =fopen("dosya.txt","r"))!= NULL){
while (!feof(dosya)){
fscanf(dosya, "%s %s ",&number[index],&Ismi[index]);
index++;

}
for(int i=0;i<index;i++){
printf(" %s %s \n ",number[i],Ismi[i]);

}

}
else {
printf("not found");
}
fclose(dosya);
char list2();
printf("LIST 2\n");
printf("\n");

FILE *dosya1;
char Ismi1[50][50];

char yaz[50][50];
int index1=0;
if ((dosya1 =fopen("dosya1.txt","r"))!= NULL){
while (!feof(dosya1)){
fscanf(dosya1, " %s %s \n ",&Ismi1[index1],&yaz[index1]);
index1++;

}
for(int i=0;i<index1;i++){
printf(" %s %s \n ",Ismi1[i],yaz[i]);

}

}
else {
printf("not found");
char list();
}
fclose(dosya1);
printf("LIST 3");
printf("\n");
printf("\n");
FILE *dosya2;
char Ismi2[50][50];
int code[1];
//'code' holds credit of the lectures
char code1[5][5];
//'code1' holds code of lectures
int index2=0;
if ((dosya2 =fopen("dosya2.txt","r"))!= NULL){
while (!feof(dosya2)){
fscanf(dosya2, "%s %s %d ",&code1[index2],&Ismi2[index2],&code[index2]);
index2++;

}
for(int ii=0;ii<index2;ii++){
printf("%s %s %d \n ",code1[ii],Ismi2[ii],code[ii]);

}

}
else {
printf("not found");
}
fclose(dosya2);

}