这个程序运行不了，求帮看看

Question

#include
#include
void change(char*a,char*b,char*c)
{
char x1[10],x2[10],x3[20];
int i,j=strlen(b),k,l=strlen(a),m,g=0,h=0;
for(i=0;i {
x1[i]=*(b++);
}
for(k=0;k {
x2[k]=x1[i-k-1];
}
b=x2;
for(i=0;i {
x1[i]=*(a++);
}
if(l {
for(m=0;m {
if(m%2==0)
{
x3[m]=x1[g++];
}
if(m%2==1)
{
x3[m]=x2[h++];
}
}
for(m=2*l;m {
x3[m]=x2[h++];
}
}
if(l>j)
{
for(m=0;m<2*k;m++)
{
if(m%2==0)
{
x3[m]=x1[g++];
}
if(m%2==1)
{
x3[m]=x2[h++];
}
}
for(m=2*j;m<k+l;m++)
{
x3[m]=x1[g++];
}
}
c=x3;
}
main()
{
char s1[]="abcdefg",s2[]="1324",t[20]="",*x,*y,*z;
int i,j,m,n;
FILE*fp;
if((fp=fopen("myf2.out","w"))==NULL)
{
printf("cannot open infile\n");
return 0;
}
x=s1;
y=s2;
m=strlen(x);
n=strlen(y);
printf("s1:%s\n",x);
fprintf(fp,"s1:%s\n",x);
printf("s2:%s\n",y);
fprintf(fp,"s2:%s\n",y);
change(x,y,z);
printf("the result is:");
fprintf(fp,"the result is:");
for(i=0;i<m+n;i++)
{
t[i]=*(z++);
}
for(j=0;j<i;j++)
{
printf("%c",t[j]);
fprintf(fp,"%c",t[j]);
}
printf("\n");
fprintf(fp,"\n");
printf("my exam number is:2011082423\n");
fprintf(fp,"my exam number is:2011082423\n");
return 0;
}

Answer 1

第七行的for语句怎么一半啊，是不是没有在电脑上完全显示啊。