C以二进制读、写、文本

#define  OSD_FILEF "/home/OsdSave.txt"
typedef struct textOSD_s 
{
    int font_size;                    
    int outline;                      
    int bold;                        
    int italic;                       
    int color;                        
}textOSD_t;

void saveRead()
{
    memset(&osd_t,0,sizeof(textOSD_t));      
    if((osdfp=fopen(OSD_FILE,"wb"))==NULL)       //打开一个文件，以二进制向文本中写入
    {
        printf("can not open file \n");
        return;
    }
    else
    {    
        fwrite(&osd_t,sizeof(textOSD_t),1,osdfp);  //写
    }
    fclose(osdfp);                      //关闭
    
    
    if((osdfp=fopen(OSD_FILE,"rb"))==NULL)      //打开一个文件。以二进制的方式来读
    {
        printf("can not open file \n");
        return;
    }
    else
    {    
        fread(&osd_t,sizeof(textOSD_t),1,osdfp);  //读
    }
       fclose(osdfp);        //关闭
}