usr: libc: Add realloc()

Implement realloc() to resize allocated memory from malloc()

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/libc/include/stdlib.h b/lib/libc/include/stdlib.h
index 97c777b..b1de3f3 100644
--- a/lib/libc/include/stdlib.h
+++ b/lib/libc/include/stdlib.h
@@ -86,6 +86,7 @@ __dead void _Exit(int status);
 #endif
 
 void *malloc(size_t size);
+void *realloc(void *ptr, size_t size);
 void free(void *ptr);
 
 void srand(unsigned int r);