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-rw-r--r--in_practice/breakout/sys.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/in_practice/breakout/sys.h b/in_practice/breakout/sys.h
new file mode 100644
index 0000000..ca7aaec
--- /dev/null
+++ b/in_practice/breakout/sys.h
@@ -0,0 +1,9 @@
+#ifndef SYS_H
+#define SYS_H
+
+extern void info(const char *fmt, ...);
+extern void die(const char *fmt, ...);
+extern void *read_entire_file(const char *filename);
+extern const char *get_bin_dir(void);
+
+#endif