1 files changed, 7 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/legacy/isastream.c b/libc-top-half/musl/src/legacy/isastream.c
new file mode 100644
index 0000000..4dafdb0
--- /dev/null
+++ b/libc-top-half/musl/src/legacy/isastream.c
@@ -0,0 +1,7 @@
+#include <stropts.h>
+#include <fcntl.h>
+
+int isastream(int fd)
+{
+	return fcntl(fd, F_GETFD) < 0 ? -1 : 0;
+}