musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/include/stdio.h b/include/stdio.h
index b54fe195..f087d9f2 100644
--- a/include/stdio.h
+++ b/include/stdio.h

@@ -121,6 +121,7 @@ FILE *tmpfile(void);

#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \

|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)

+FILE *open_memstream(char **, size_t *);

FILE *fdopen(int, const char *);

FILE *popen(const char *, const char *);

int pclose(FILE *);