Initial import

examples/hello2.c

@@ -0,0 +1,28 @@
+#if 0
+/*─────────────────────────────────────────────────────────────────╗
+│ To the extent possible under law, Justine Tunney has waived      │
+│ all copyright and related or neighboring rights to this file,    │
+│ as it is written in the following disclaimers:                   │
+│   • http://unlicense.org/                                        │
+│   • http://creativecommons.org/publicdomain/zero/1.0/            │
+╚─────────────────────────────────────────────────────────────────*/
+#endif
+#include "libc/str/str.h"
+#include "libc/calls/calls.h"
+#include "libc/sysv/consts/fileno.h"
+
+#define kMessage "hello world\r\n"
+
+int main() {
+  /*
+   * Cosmopolitan "Hello World" using system calls.
+   *
+   * Another Cosmopolitan best practice is to use the standard symbolic
+   * names for file descriptors 0, 1, and 2. This is a good idea because
+   * on Windows the numbers are actually different. Because Cosmopolitan
+   * is a zero-emulation library, we address that problem by turning
+   * traditional #define's into variables, which the runtime determines
+   * automatically.
+   */
+  return write(STDOUT_FILENO, kMessage, strlen(kMessage)) != -1 ? 0 : 1;
+}