TREE interpreter so far...

#include <stdio.h>
#include <stdlib.h>

void main() {
	int debug_choice;
	printf("Do you want to run debugging? (0 or 1)\n");
	scanf("%i", &debug_choice);
	
	switch(debug_choice) {
		case 0:
			interpret();
			break;
		case 1:
			debug();
			interpret();
			break;
		default:
			printf("Invalid input. Terminating interpreter...\n");
			getchar();
			exit(0);
	}
}

void interpret() {
	printf("Start of program:\n\n");
	
	FILE *program = fopen("some path to a txt file", "r");
	int command;
	int stop_loop[1000000];
	int mem_array[1000000][8];
	int direct_put_test[13];
	int mem_buffer[8];
	int count;
	fpos_t pos_0 = 0;
	fsetpos(program, &pos_0);
	
	for(command = 1; command <= 1000000; command++) {
		switch((int)fgetc(program)) {
			case 0:
				stop_loop[command] = 0;
				break;
			case 1:
				stop_loop[command] = 1;
				break;
		}
			
		switch((int)fgetc(program)) {
			case 0:
				switch((int)fgetc(program)) {
					case 0:
						for(count = 1; count <= 13; count++) {
							direct_put_test[count] = (int)fgetc(program);
						}
						
						fsetpos(program, ftell(program) - (fpos_t)13);
						
						if(direct_put_test[1] == 0 && direct_put_test[2] == 0 && direct_put_test[3] == 0 && direct_put_test[4] == 0 && direct_put_test[5] == 0 && direct_put_test[6] == 0 && direct_put_test[7] == 0 && direct_put_test[8] == 0 && direct_put_test[9] == 0 && direct_put_test[10] == 0 && direct_put_test[11] == 0 && direct_put_test[12] == 0 && direct_put_test[13] == 0) {
							fsetpos(program, ftell(program) + (fpos_t)13);
							
							switch((int)fgetc(program)) {
								case 0:
									for(count = 1; count <= 8; count++) {
										mem_buffer[count] = (int)fgetc(program);
									}
									
									break;
								case 1:
									
									
									break;
							}
						
						break;
				
				case 1:
					
					
					break;
				}
				
				break;
			
			case 1:
				
				
				break;
		}
	}
	
	printf("\n\nProgram terminated.");
	getchar();
}

void debug() {
	
}