util.h

   1 /* enums */
   2
   3 enum { FALSE = 0, TRUE = 1, EXIT = 2 };
   4 enum { NEXT = 0, PREV = 1, BOTH = 2 };
   5
   6 /* macros */
   7
   8 #define LENGTH(x) (sizeof(x) / sizeof(*x))
   9 #define CONTROL(char) (char ^ 0x40)
  10 #define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
  11 #define MAX(X, Y) (((X) > (Y)) ? (X) : (Y))
  12
  13 /* functions */
  14
  15 void             die(const char *);
  16 struct termios   set_terminal(int);
  17 char           * expand_tabs(char *);