voidremove(char*str,char*substr)

{

intl=strlen(substr);

char*s=str;

inti;

while(*s)

{

if(memcmp(s,substr,l)==0)

{

memset(s,0,l);

s+=l;

}

else

{

s++;

}

}

i=s-str;

s=str;

while(i)

{

*s=*str;

if(*str!=0)s++;

str++;

i--;

}

*s=0;

}

intmain()

{

chara[]="adabcddabcdd";

charb[]="abc";

remove(a,b);

printf("%s",a);

getch();

return0;

}