int ch ; 3 \,4 ]l|
ch=getche() ; E&w7GZNt
if((ch>='a') && (ch<='z')) I
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printf("%c is a lowercase letter\n" ,ch); a-tmq]]E
else if ((ch>='A') && (ch<='Z')) VQ@
print(" %c is a uppercase letter\n" ,ch); e%M;?0j
else if((ch>'0')&&(ch<'9') Y|qTyE%
printf(" %c is a number character between 0 and 9\n" ,ch) ; {S\{Ii6
else ?z+eWL
printf("%c is...") {YC@T(
]/6z;
~3U
外面再加个循环就行了