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libc/include/stdio.h

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+#ifndef _STDIO_H
+#define _STDIO_H
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define EOF (-1)
+#define MAX_SCROLL_LINES 1000
+
+int putchar(int c);
+int puts(const char *str);
+int printf(const char *format, ...);
+
+int sprintf (char* restrict buf, const char* restrict fmt, ...);
+int snprintf(char* restrict buf, size_t size, const char* restrict fmt, ...);
+int vsprintf (char* restrict buf, const char* restrict fmt, va_list ap);
+int vsnprintf(char* restrict buf, size_t size, const char* restrict fmt, va_list ap);
+int vprintf(const char* restrict fmt, va_list ap);
+
+int getchar(void);
+int scanf (const char * restrict fmt, ...);
+int vscanf(const char * restrict fmt, va_list ap);
+int sscanf (const char * restrict str, const char * restrict fmt, ...);
+int vsscanf(const char *str, const char *fmt, va_list ap);
+
+extern uint32_t cursor_x;
+extern uint32_t cursor_y;
+
+extern uint32_t text_color;
+extern uint32_t bg_color;
+
+void scroll_screen(int lines);
+uint32_t get_screen_width(void);
+uint32_t get_screen_height(void);
+
+void set_cursor_position(uint32_t x, uint32_t y);
+void get_cursor_position(uint32_t *x, uint32_t *y);
+void set_text_color(uint32_t color);
+void clear_screen(void);
+void scroll_up(int lines);
+
+#endif