PRINT_MESSAGE
#define EMPTY if (stkerr != 0) {PRINT_MESSAGE; continue; }
#define EMPTYR(x) if (stkerr != 0) {pushp(x); PRINT_MESSAGE; continue; }
#define EMPTYS if (stkerr != 0) {PRINT_MESSAGE; return (1); }
#define EMPTYSR(x) if (stkerr != 0) {PRINT_MESSAGE; pushp(x); return (1); }