int ch ; B^oXUEOImq
ch=getche() ; BPW:W }
if((ch>='a') && (ch<='z')) UO</4WJ
printf("%c is a lowercase letter\n" ,ch); ^<<
Wqmx
else if ((ch>='A') && (ch<='Z')) R|_?yV[
print(" %c is a uppercase letter\n" ,ch); p%n}a%%I
else if((ch>'0')&&(ch<'9') fO9e ;
printf(" %c is a number character between 0 and 9\n" ,ch) ; >kd2GZe^_J
else %H:!/'45
printf("%c is...") Y40{v(Pi
gB?#T
外面再加个循环就行了