C++中库<cstdlib>(stdlib.h)中atoll函数的使用。* atoll example */
#include <stdio.h> /* printf, fgets */
#include <stdlib.h> /* atoll */
int main ()
{
long long int lli;
char buffer[256];
printf ("Enter a long number: ");
fgets (buffer, 256, stdin);
lli = atoll(buffer);
printf ("The value entered is %lld. Its double is %lld.\n",lli,lli*2);
return 0;
}
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