1 files changed, 24 insertions, 0 deletions
diff --git a/src/stdio/setbuf.c b/src/stdio/setbuf.c
new file mode 100644
index 00000000..351db3d3
--- /dev/null
+++ b/src/stdio/setbuf.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+/** specify file stream buffer **/
+void setbuf(FILE * restrict stream, char * restrict buf)
+{
+	if (buf) {
+		setvbuf(stream, buf, _IOFBF, BUFSIZ);
+	} else {
+		setvbuf(stream, NULL, _IONBF, 0);
+	}
+}
+
+/***
+sets the buffer for ARGUMENT(stream) to ARGUMENT(buf). The buffer must hold
+at least CONSTANT(BUFSIZ) characters. It is the equivalent of:
+	LITERAL(setvbuf(stream, buf, _IOFBF, BUFSIZ);)
+
+If ARGUMENT(buf) is CONSTANT(NULL), ARGUMENT(stream) will become unbuffered. It is the
+equivalent of:
+	LITERAL(setvbuf(stream, NULL, _IONBF, 0);)
+***/
+/*
+STDC(1)
+*/