声明定义void _splitpath( const char *path, char *drive, char *dir, char *fname, char *ext ); 说明分解路径,把你的完整路径给分割开来,就是一个对字符串进行分割的函数 参数表path, Full path(完整路径) drive , Optional drive letter, followed by a colon (:)(磁盘驱动包含:) dir, Optional directory path, including trailing slash. Forward slashes (/ ), backslashes (\ ), or both may be used.(文件路径,无论是以“/”,“\”)