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isdigit.c
Package: vxwork_src.rar　[view]
Upload User: nvosite88
Upload Date: 2007-01-17
Package Size: 4983k
Code Size: 1k
Category:

VxWorks

Development Platform:

C/C++

isdigit.c：Code Content
  1. /* isdigit.c - character classification */
  3. /* Copyright 1992-1993 Wind River Systems, Inc. */
  5. /*
  6. modification history
  7. --------------------
  8. 01e,03mar93,jdi  more documentation cleanup for 5.1.
  9. 01d,07feb93,jdi  documentation cleanup for 5.1.
  10. 01c,20sep92,smb  documentation additions
  11. 01b,04jul92,smb  added vxWorks.h and extra documentation
  12. 01a,24mar92,smb  written
  13. */
  15. /*
  16. DESCRIPTION
  18. INCLUDE FILE: ctype.h
  20. SEE ALSO: American National Standard X3.159-1989
  22. NOMANUAL
  23. */
  25. #include "vxWorks.h"
  26. #include "ctype.h"
  29. #undef isdigit
  30. /*******************************************************************************
  31. *
  32. * isdigit - test whether a character is a decimal digit (ANSI)
  33. *
  34. * This routine tests whether <c> is a decimal-digit character.
  35. *
  36. * INCLUDE FILES: ctype.h
  37. *
  38. * RETURNS: Non-zero if and only if <c> is a decimal digit.
  39. */
  41. int isdigit 
  42.     (
  43.     int c       /* character to test */
  44.     )
  45.     {
  46.     return __isdigit(c);
  47.     }