begin shfx (shell f(x)), graphing cli

shfx/main.c

@@ -0,0 +1,44 @@
+#include <math.h>
+#include <unistd.h>
+
+#include <ncurses.h>
+
+#define BASE_DELAY 1000000
+
+int main(int argc, char *argv[]) {
+  // Curses init
+  WINDOW *screen = initscr();
+  start_color();
+  nodelay(screen, 1);
+  cbreak();
+  noecho();
+  curs_set(0);
+  keypad(screen, TRUE);
+
+  // Color pairs
+  init_pair(1, COLOR_BLACK, COLOR_CYAN);
+
+  // Set background
+  wbkgd(screen, COLOR_PAIR(1));
+  
+  attron(COLOR_PAIR(1));
+  attron(A_BOLD);
+  int counter = 0;
+  while (1) {
+    mvprintw(0, 0, "COUNTER %d", counter++);
+    refresh();
+
+    switch (getch()) {
+    case 'q':
+      goto end;
+    default:
+      break;
+    }
+
+    usleep(BASE_DELAY);
+  }
+
+end:
+  endwin();
+  return 0;
+}