util.h

   1 /* enums */
   2 enum { FALSE = 0, TRUE = 1 };
   3 enum { NEXT = 0, PREV = 1, BOTH = 2 };
   4
   5 /* macros */
   6 #define LENGTH(x) (sizeof(x) / sizeof(*x))
   7 #define CONTROL(char) (char ^ 0x40)
   8 #define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
   9 #define MAX(X, Y) (((X) > (Y)) ? (X) : (Y))
  10
  11 void             die(const char *);
  12 struct termios   set_terminal(int);