main() {
char a, b;
printf("enter two characters\n");
scanf("%c%c",&a,&b);
charswap(&a,&b);
printf("you know what? .. i stored %c in a and %c in b\n", a,b);
}
int num2str(char* args){
int num = 0;
int tmp = 0;
while(args[tmp++]!='\0');
for(int i=0;i<(tmp-1)/2;i++){
charswap(i,tmp-2-i,args);
}
int size = tmp;
tmp = 1;
for(int i=0;i<size-1;i++){
num += tmp*(args[i]-'0');
tmp *= 10;
}
return num;
}
