stable for calculator

1 files changed, 1 insertions, 1 deletions

diff --git a/stdlib.h b/stdlib.h
index 0001edc..b87a823 100644
--- a/stdlib.h
+++ b/stdlib.h
@@ -4,6 +4,6 @@
 char *snprintf(char *buf, unsigned int max, const char *format, ...);
 float strtof(const char *s, char **endptr);
 
-extern int atoi(const char *);
+int atoi(const char *);
 
 #endif // STDLIB_H_