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#ifndef _TERMINAL_H_
#define _TERMINAL_H_
int tty_open(void);
void tty_curpos(int fd, int *x, int *y);
/* https://en.wikipedia.org/wiki/ANSI_escape_code#Terminal_output_sequences */
#define ESC "\033"
#define CSI ESC "["
#define CUU(n) CSI #n "A" /* Cursor Up */
#define CUD(n) CSI #n "B" /* Cursor Down */
#define CUF(n) CSI #n "C" /* Cursor Forward */
#define CUB(n) CSI #n "D" /* Cursor Back */
#define CNL(n) CSI #n "E" /* Cursor Next Line */
#define CPL(n) CSI #n "F" /* Cursor Previous Line */
#define CHA(n) CSI #n "G" /* Cursor Horizontal Absolute */
#define CUP(n, m) CSI #n ";" #m "H" /* Cursor Position */
#define ED(n) CSI #n "J" /* Erase in Display */
#define EL(n) CSI #n "K" /* Erase in Line */
#define SU(n) CSI #n "S" /* Scroll Up Scroll */
#define SD(n) CSI #n "T" /* Scroll Down Scroll */
#define CPR() CSI "6n" /* Cursor Position Report */
#define SGR(x) CSI x "m"
#endif /* !_ANSICODES_H_ */
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