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- /************************************************************************
- * *
- * Copyright (c) 1982, Fred Fish *
- * All Rights Reserved *
- * *
- * This software and/or documentation is released for public *
- * distribution for personal, non-commercial use only. *
- * Limited rights to use, modify, and redistribute are hereby *
- * granted for non-commercial purposes, provided that all *
- * copyright notices remain intact and all changes are clearly *
- * documented. The author makes no warranty of any kind with *
- * respect to this product and explicitly disclaims any implied *
- * warranties of merchantability or fitness for any particular *
- * purpose. *
- * *
- ************************************************************************
- */
-
-
-
-
- /*
- * LIBRARY FUNCTION
- *
- * isdigit test character for numeric property
- *
- * SYNOPSIS
- *
- * int isdigit(ch)
- * char ch;
- *
- * DESCRIPTION
- *
- * Returns TRUE or FALSE depending upon whether the specified
- * character is a numeric character or not.
- *
- * BUGS
- *
- * May fail on machines in which native character set is not ASCII.
- *
- */
-
- #include <stdio.h>
-
- #define TRUE 1
- #define FALSE 0
-
- int isdigit(ch)
- char ch;
- {
- if (ch > '9' || ch < '0') {
- return(FALSE);
- } else {
- return(TRUE);
- }
- }
-