runtime/klee-libc/putchar.c


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/*===-- putchar.c ---------------------------------------------------------===//
//
//                     The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===*/

#include <stdio.h>
#include <unistd.h>

/* Some header may #define putchar. */
#undef putchar

int putchar(int c) {
  char x = c;
  if (1 == write(1, &x, 1))
    return c;
  return EOF;
}