1 /* 2 If you do not have isprint(c) (sequent) 3 Add the following line to video.c 4 */ 5 #define isprint(x) (x>=' ') 6 7 8 /* 9 If you do not have strdup (some DECs) 10 Add the following to main.c 11 */ 12 #define NULL 0 strdup(x)13char * strdup(x) 14 char *x; 15 { 16 char *new; 17 new= (char *) malloc(strlen(x)); 18 if (new == NULL) { 19 printf("Unable to allocate string!\n"); 20 exit(1); 21 } 22 strcpy(new, x); 23 return new; 24 } 25