1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/libc.h b/src/include/libc.h
index c7ccda7..d0789cf 100644
--- a/src/include/libc.h
+++ b/src/include/libc.h
@@ -1,13 +1,17 @@
 #ifndef _STRING_H_
 #define _STRING_H_
 #include <stddef.h>
+#include <stdint.h>
 
 void *strcpy(char *dest, char *src);
 void *memcpy(void *dest, void *src, size_t n); //TODO
 void *bzero(const void *dest, size_t size);
 void *memset(void *s, char c, size_t n);
+size_t strlen(const char *s);
 int strcmp(const char *str1, const char *str2);
 int strncmp(const char *str1, const char *str2, size_t n);
 int memcmp(const void *s1, const void *s2, size_t n);
 int ceil(double n1);
+int round(double n1);
+
 #endif