int ch ; q @*UUj@
ch=getche() ; 9!S^^;PN&
if((ch>='a') && (ch<='z')) Zr R+QV
printf("%c is a lowercase letter\n" ,ch); V*kznm
else if ((ch>='A') && (ch<='Z')) a}GAB@YI
print(" %c is a uppercase letter\n" ,ch); Vd[2u
else if((ch>'0')&&(ch<'9') KPg[-d
printf(" %c is a number character between 0 and 9\n" ,ch) ; \y,;Cfl<
else intvlki]be
printf("%c is...") |N6mTB2
Qq>ElQ@
外面再加个循环就行了