请问一下哪儿有错


#include <stdio.h>
void main()
{char,ch;
int x,y,z;
x=0,y=0,z=0;
while((ch=getchar)!=1);
{
if (ch>=47&&ch<=57)
{x=x++;}
else
if(ch=32)
{y=y++;
}
else
{z=z++;
}
}
printf("x=%d,y=%d,z=%d",x,y,z);
}