MEMORY.C

/****************************************************************************\ 
*  memory.c -- sample program demonstrating NWLink. 
* 
*       Microsoft Developer Support 
*       Copyright 1992 - 1998 Microsoft Corporation 
* 
*  Demonstrates basic sockets programming with the Windows Sockets API 
*  using the NWLink transport. 
*  
****************************************************************************/ 
#include <stdio.h> 
#include <windows.h> 
#include "externs.h" 
 
/**************************************************************************** 
* 
*    FUNCTION:  mem_check( LPSTR p, UCHAR ch, int len) 
* 
*    PURPOSE:   Makes sure that a buffer is filled with only the character 
*       specified. 
* 
*    ARGUMENTS:LPSTR=> buffer to scan 
*               char    character to check for 
*               int     length of buffer to check  
* 
* RETURNS:   0 if buffer has only the specified character 
*offset to non-matching character if found  
* 
*\***************************************************************************/ 
int mem_check(LPSTR p, UCHAR ch, int len) 
{ 
    int buflen; 
 
    buflen = len; 
 
    while (len--) { 
        if ((UCHAR)*p++ != ch) { 
            return (buflen - len); 
        } 
    } 
   
    return 0; 
}