5-1 (4).c

有关c语言的说课的课件,内容丰富多彩,值得借鉴

 #include <stdio.h>
    void main ( )                 
 { char ch;
	  scanf("%c",& ch);
	 ch=(ch>='A'&&  ch<='Z')?(ch+32):ch;
	  printf("%c\n",ch);

	}