strcpy.c

来自「Nucleus Common Library for Integrator 」· C语言 代码 · 共 74 行

/*************************************************************************
*
*               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
*
*       strcpy.c                               Nucleus Common Library 1.1
*
* DESCRIPTION
*
*       This file contains the implementation of NCL_strcpy.
*
* DATA STRUCTURES
*
*       None.
*
* FUNCTIONS
*
*       NCL_strcpy
*
* 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_strcpy
*
*   DESCRIPTION
*
*       Copy of s2 to the end of s1.
*
*   INPUTS
*
*       s1                  Destination
*       s2                  Source
*       n                   Number of bytes to copy
*
*   OUTPUTS
*
*       char*               Pointer to the null-terminated result.
*
*************************************************************************/

char *NCL_strcpy(register char *s1, const register char *s2)
{
    register char *p = s1;

    while ((*s1++ = *s2++) != 0);

    return p;
}