赵老师,小弟我体会了一把cout的坏处
赵老师,我体会了一把cout的坏处
果然 printf 好使
------解决思路----------------------
cout << (void*)&ch << endl;
------解决思路----------------------
------解决思路----------------------
要不试试
#include <stdio.h>
#include <iostream>
using namespace std;
int main()
{
char ch = 'a';
cout << &ch << endl;
printf("%p\n", &ch);
return 0;
}
果然 printf 好使
------解决思路----------------------
cout << (void*)&ch << endl;
------解决思路----------------------
#include <stdio.h>
char s[]="123 ab 4";
char *p;
int v,n,k;
void main() {
p=s;
while (1) {
k=sscanf(p,"%d%n",&v,&n);
printf("k,v,n=%d,%d,%d\n",k,v,n);
if (1==k) {
p+=n;
} else if (0==k) {
printf("skip char[%c]\n",p[0]);
p++;
} else {//EOF==k
break;
}
}
printf("End.\n");
}
//k,v,n=1,123,3
//k,v,n=0,123,3
//skip char[ ]
//k,v,n=0,123,3
//skip char[a]
//k,v,n=0,123,3
//skip char[b]
//k,v,n=1,4,2
//k,v,n=-1,4,2
//End.
------解决思路----------------------
要不试试
printf("%s\n", &ch);