include unistd.h

Feuerlabs · Apr 25, 2013 · 58b4550 · 58b4550
1 parent 1895d72
commit 58b4550
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/c_src/gpio_drv.h b/c_src/gpio_drv.h
@@ -6,6 +6,7 @@
 
 #include <stdint.h>
 #include <stdarg.h>
+#include <unistd.h>
 
 #define GPIO_NOK -1
 #define GPIO_OK 0