Add 'waitstdin' utilityHEADmaster

1 files changed, 20 insertions, 0 deletions

diff --git a/etc/waitstdin.c b/etc/waitstdin.c
new file mode 100644
index 0000000..cf05cfb
--- /dev/null
+++ b/etc/waitstdin.c
@@ -0,0 +1,20 @@
+/*
+ *  waitstdin -- wait for text on stdin
+ *  $ cc -O2 -o waitstdin waitstdin.c
+ */
+
+#include <sys/select.h> 
+#include <sys/wait.h> 
+
+int
+main()
+{
+        fd_set readfds;
+
+        FD_ZERO(&readfds);
+        FD_SET(0, &readfds);
+        if(select(1, &readfds, NULL, NULL, NULL) == -1)
+                return 1;
+
+	return 0;
+}