strchr.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
*
*       strchr.c                                Nucleus Common Library 1.1
*
* DESCRIPTION
*
*       This file contains the implementation of NCL_strchr.
*
* DATA STRUCTURES
*
*       None.
*
* FUNCTIONS
*
*       NCL_strchr
*
* DEPENDENCIES
*
*       ncl.h
*       string.h
*       nucleus.h
*
************************************************************************/

#define NU_NCL_SOURCE_FILE

#include "ncl\inc\ncl.h"
#include "ncl\inc\string.h"
#include "plus\nucleus.h"                                /* MMU Support */

/*************************************************************************
*
*   FUNCTION
*
*       NCL_strchr
*
*   DESCRIPTION
*
*       Return a pointer to first occurrence of c in s or 0 if s does not
*       contain c.  If c==0 it returns a pointer to the string's nul
*       character.
*
*   INPUTS
*
*       s                   String to search within
*       c                   Characters to search for
*
*   OUTPUTS
*
*       char*               Pointer to first occurance of c in s or 0 if
*                             s does not contain c.
*
*************************************************************************/

char *NCL_strchr(register const char *s, register int c)
{
    do
    {
        if (*s == (char)c)
        {
            return (char *)s;
        }
    } while (*s++);

    return (char *)0;
}