int ch ; P^b:?%
ch=getche() ; t*Vao
if((ch>='a') && (ch<='z')) co<2e#p;
printf("%c is a lowercase letter\n" ,ch); -Ap2NpZ"t
else if ((ch>='A') && (ch<='Z')) ^fE\ S5P
print(" %c is a uppercase letter\n" ,ch); @jE d%W
else if((ch>'0')&&(ch<'9') }
T/}0W]0
printf(" %c is a number character between 0 and 9\n" ,ch) ; (RDa,&
else zj9bSDVL(
printf("%c is...") I3 G*+6V
yhSk"e'G
外面再加个循环就行了