I'm experiencing some weird error... and my best guess would be that these two arrays are messing up each other.

So I have two portions of code.
This one:

   sprintf(recipes[18].name, "Stock ");
   recipes[18].power = 0;

And this one
               
   int invmenu[] ={352, 352, 352, 352, 352, 352, 352, 352, 352, 352, //352 == bedrock
               352, COAL, IRON, GOLD, PLATINUM, SAPPHIRE, EMERALD, RUBY, DIAMOND, 352,
               352, 0, 0, 0, 0, 0, 0, 0, 0, 352,  //0 == stone
               352, 0, 0, AIR, 0, 0, 0, 0, 0, 352,
               352, 0, 0, AIR, 0, 0, 0, 0, 0, 352,
               352, 0, 0, AIR, 0, 0, 0, 0, 0, 352,
               352, 352, 352, 352, 352, 352, 352, 352, 352, 352};

I then display the invmenu array (which contains tilemap data), and then output values from the recipe array.


for(ly = 0; ly <= 7; ly++)
{
   for(lx = 0; lx <= 10; lx++)
   {
      tile.x = lx*32;
      tile.y = ly*32+16;
      tile.offset_x = invmenu[ly*10+lx];
      if(tile.offset_x == AIR)
      {
         //stuff that replaces air with the "STOCK" tile
      }
      drawImageSubrect(&tile, s);
      tile.offset_y = 0;
   }      
}

sprintf(GUI, "%sDrill", recipes[18].name);
drawStr(133, 116, GUI, 1, 1, green, s);

The result is this:

The invmenu[] data is fine, but the data from recipes[] is messed up.
Now when I put the portion of code with invmenu[] before the part with recipes[], it displays this:

So this time, the recipes[] data outputs fine, but invmenu[] is messed up.

So it seems that one array messes up the other...
When the part with invmenu[] comes first, only recipes[] works.
When the part with recipes[] comes first, only invmenu[] works

Commenting out the code between the assigning and the output doesn't get rid of this weird effect...

Yep, shouldn't that be  for(lx = 0; lx < 10; lx++) ?

Try to allocate them dynamically (malloc).
Does it make any differences if you allocate invmenu before recipes and vice versa?

You can declare a pointer variable, then assign the return value from malloc to that variable.
int* inventory=malloc(70*sizeof(int));