Include stdlib.h so free() can be used

2020-08-20 20:43:28 +02:00
parent 5af8e3ca35
commit aec4a84e90
1 changed files with 1 additions and 0 deletions
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h> // free()
 #include <math.h> // INFINITY, NAN constants

 int main(void) {