int ch ; z}vT8qoX
ch=getche() ; 'FW?
if((ch>='a') && (ch<='z')) AG(6.
printf("%c is a lowercase letter\n" ,ch); @IG's-
else if ((ch>='A') && (ch<='Z')) ^G4YvS(
print(" %c is a uppercase letter\n" ,ch); TQR5V\{&%
else if((ch>'0')&&(ch<'9') fJFNS
y
printf(" %c is a number character between 0 and 9\n" ,ch) ; cAR
`{%b
else MlV(XG>'
printf("%c is...") .n\JY;"
xe@e#9N$
外面再加个循环就行了