cstr -> str where possible

src/instructions/instructions.h

@@ -19,13 +19,13 @@ typedef enum __attribute__((__packed__)) Opcode {
 } Opcode;
 
 typedef struct Instruction {
-    cstr name;
+    str name;
     InstructionImplFunc_t implementation;
     Opcode opcode;
 } Instruction;
 
 #define Instruction_construct(NAME) {\
-    .name = #NAME, \
+    .name = STR(#NAME), \
     .implementation = NAME##_impl, \
     .opcode = Opcode_##NAME\
 }