int ch ; #}y8hzS$
ch=getche() ; I)'bf/6?
if((ch>='a') && (ch<='z')) A/<u>cCW
printf("%c is a lowercase letter\n" ,ch); 0pMN@Cz6
else if ((ch>='A') && (ch<='Z')) b*?u+tWP_
print(" %c is a uppercase letter\n" ,ch); At:8+S<?A
else if((ch>'0')&&(ch<'9') K{ar)_V/
printf(" %c is a number character between 0 and 9\n" ,ch) ; J;obh.}u"{
else u5A?; a
printf("%c is...") * $f`ouJl
IANSpWea?
外面再加个循环就行了