extern int current_nest_size;
extern int current_param_size;
extern int current_buf_size;
-extern char *tex_version;
-extern char *application;
-extern char *yandyversion;
+extern const char *tex_version;
+extern const char *application;
+extern const char *yandyversion;
extern unsigned char wintodos[128];
extern char log_line[MAXLINE];
extern char *texpath;
void perrormod(char *);
char *grabenv(char *);
void stamp_it (char *);
-void stampcopy (char *);
boolean prime (int);
int endit (int);