Checkin library infrastructure for building stuff to be linked with

gccld


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1842 91177308-0d34-0410-b5e6-96231b3b80d8

runtime/GCCLibraries/libc/io.c

@@ -0,0 +1,18 @@
+//===-- io.c - IO routines for LLVM libc Library ------------------*- C -*-===//
+// 
+// A lot of this code is ripped gratuitously from glibc and libiberty.
+//
+//===----------------------------------------------------------------------===//
+
+int putchar(int);
+
+// The puts() function writes the string pointed to by s, followed by a 
+// NEWLINE character, to the standard output stream stdout. On success the 
+// number of characters written is returned; otherwise they return EOF.
+//
+int puts(const char *S) {
+  const char *Str = S;
+  while (*Str) putchar(*Str++);
+  putchar('\n');
+  return Str+1-S;
+}