1 files changed, 1 insertions, 0 deletions
diff --git a/strio.h b/strio.h
index 029f026..ab4d2bc 100644
--- a/strio.h
+++ b/strio.h
@@ -25,6 +25,7 @@ const char *cstr_fmt(Arena *arena, const char *fmt, ...);
 
 #include <stdio.h>
 #include <stdint.h>
+#include <stdarg.h>
 
 static inline long read_all_file_size(FILE *f) {
 	fseek(f, 0, SEEK_END);