stdio文件常用函数

{

char *s;

char drive[MAXDRIVE];

char dir[MAXDIR];

char file[MAXFILE];

char ext[MAXEXT];

int flags;

s=getenv("COMSPEC");

flags=fnsplit(s,drive,dir,file,ext);

printf("Command processor info:");

if(flags&DRIVE)

printf("\tdrive: %s",drive);

if(flags&DIRECTORY)

printf("\tdirectory: %s",dir);

if(flags&FILENAME)

printf("\tfile: %s",file);

if(flags&EXTENSION)

printf("\textension: %s",ext);

return 0;

}

@函数名称: fclose

函数原型: int fclose(FILE * fp);

函数功能: 关闭fp所指的文件,释放文件缓冲区