#include
     
      #include
      
       #include
       
        #define MAX_CONFIG_LEN 512void OI_CFG_STR(char *sConfigFilePath,char *sKey,char *sValue){	FILE *pstFile;	char sLine[MAX_CONFIG_LEN]={0};	char *pCurLine=NULL;	char *del=" ";	char *pStr=NULL;	if((pstFile=fopen(sConfigFilePath,"r"))==0)	{		printf("Cannot Open!\n");		return ;	}	while(1)	{		pCurLine = fgets(sLine,sizeof(sLine),pstFile);		if(pCurLine==NULL)			break;		pStr = strtok(pCurLine,del);		while(pStr != NULL)		{			if(strcmp(pStr,sKey)==0)			{				pStr = strtok(NULL,del);				strcpy(sValue,pStr);				break;			}			pStr=strtok(NULL,del);		}		if(feof(pstFile))			break;	}}int main(void){	char sConfigFilePath[1024]="D://config.txt";	char sKey[16]="PORT";	char sValue[1024]={0};	OI_CFG_STR(sConfigFilePath,sKey,sValue);	printf("key:%s,value:%s\n",sKey,sValue);	return 0;}