isalpha.c

test file nucleus source

/*************************************************************************
*
*               Copyright Mentor Graphics Corporation 2002              
*                         All Rights Reserved.                          
*                                                                       
* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS  
* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS   
* SUBJECT TO LICENSE TERMS.                                             
*
*************************************************************************/

/*************************************************************************
* FILE NAME                                     VERSION
*
*       isalpha.c                               Nucleus Common Library 1.1
*
* DESCRIPTION
*
*       This file contains the implementation of NCL_isalpha.
*
* DATA STRUCTURES
*
*       None.
*
* FUNCTIONS
*
*       NCL_isalpha
*
* DEPENDENCIES
*
*       ncl.h
*       ctype.h
*
************************************************************************/

#define NU_NCL_SOURCE_FILE

#include "ncl\inc\ncl.h"
#include "ncl\inc\ctype.h"

#undef NCL_isalpha

/*************************************************************************
*
*   FUNCTION
*
*       NCL_isalpha
*
*   DESCRIPTION
*
*       Return nonzero for a letter.
*
*   INPUTS
*
*       c                   Character in question.
*
*   OUTPUTS
*
*       int                 Return nonzero for a letter, else 0.
*
*************************************************************************/

int NCL_isalpha(int c)
{
    return NCL_islower(c) || NCL_isupper(c);
}