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  6. efreopen.c
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  21. /*====================================================================*
  22. *
  23. * FILE *efreopen(char const *filename, char const *openmode, FILE *fp);
  24. *
  25. * files.h
  26. *
  27. * attempt to reopen a file using freopen(); return a valid file
  28. * pointer on success; print an error message to stderr and then
  29. * return NULL on failure;
  30. *
  31. * Motley Tools by Charles Maier &lt;cmaier@cmassoc.net&gt;;
  32. * Copyright (c) 2001-2006 by Charles Maier Associates;
  33. * Licensed under the Internet Software Consortium License;
  34. *
  35. *--------------------------------------------------------------------*/
  36. #ifndef EFREOPEN_SOURCE
  37. #define EFREOPEN_SOURCE
  38. #include &lt;stdio.h&gt;
  39. #include &lt;errno.h&gt;
  40. #include &quot;../tools/files.h&quot;
  41. #include &quot;../tools/error.h&quot;
  42. FILE *efreopen (char const *filename, char const *openmode, FILE *fp)
  43. {
  44. if ((fp = freopen (filename, openmode, fp)) == (FILE *)(0))
  45. {
  46. error (0, errno, &quot;%s&quot;, filename);
  47. }
  48. return (fp);
  49. }
  50. #endif
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