1 files changed, 14 insertions, 0 deletions
diff --git a/system.c b/system.c
new file mode 100644
index 0000000..4ce97de
--- /dev/null
+++ b/system.c
@@ -0,0 +1,14 @@
+#include "rc.h"
+
+extern void writeall(int fd, char *buf, size_t remain) {
+	int i;
+
+	for (i = 0; remain > 0; buf += i, remain -= i)
+		if ((i = write(fd, buf, remain)) <= 0)
+			break; /* abort silently on errors in write() */
+	sigchk();
+}
+
+extern int rc_read(int fd, char *buf, size_t n) {
+	return read(fd, buf, n);
+}