*/
extern char eb[NERR]; /* array of generated error codes
*/
-extern char *ip; /* pointer into the assembler-source
+extern const char *ip; /* pointer into the assembler-source
* text line in ib[]
*/
-extern char ib[NINPUT]; /* assembler-source text line
+extern const char *ib; /* assembler-source text line
*/
extern char *cp; /* pointer to assembler output
* array cb[]