main.c

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

struct header
{
	char magic[4];
	uint32_t version;
	uint32_t entries;
};

#pragma pack(push, 1)
struct entry
{
	uint32_t length;
	uint32_t offset;
	uint32_t unknown1;
	uint32_t unknown2;
	uint16_t name_length;
	uint8_t flags;
};
#pragma pack(pop)

int main()
{
	FILE *fp = fopen("game.toc", "rb");
	fseek(fp, 0, SEEK_END);
	long len = ftell(fp);
	fseek(fp, 0, SEEK_SET);

	unsigned char *data = malloc(len);
	fread(data, len, 1, fp);
	fclose(fp);

	struct header* h = (struct header*)data;
	printf("%c%c%c%c\n", h->magic[0],h->magic[1],h->magic[2],h->magic[3]);
	printf("%u\n", h->version);
	printf("%u\n", h->entries);


	unsigned char* offset = data + 21548;
	for(uint32_t i = 0; i < h->entries; i++)
	{
		struct entry* e = (struct entry *)offset;
		char *name = malloc(e->name_length+1);
		memcpy(name, e+1, e->name_length);
		name[e->name_length] = '\0';
		printf("length = %-15d, offset = %-15d, unknown1 = 0x%08x, unknown2 = 0x%08x, name_length = %-5d, flags = 0x%02x, name = %s\n",
		       (int)e->length,
		       (int)e->offset,
		       e->unknown1,
		       e->unknown2,
		       (int)e->name_length,
		       e->flags,
		       name);
		free(name);
		offset += sizeof *e + e->name_length;
		//printf("%zu\n", offset - data);
	}
	return 0;
}