strtol()函数

#include <stdlib.h>
#include <stdio.h>

int main()
{
char a[] = "100";
char b[] = "100";
char c[] = "0x11";
int x, y, z;
x = strtol( a, NULL, 10 );
y = strtol( b, NULL, 2 );
z = strtol( c, NULL, 16 );

printf( "x = %d\n", x );
printf( "y = %d\n", y );
printf( "z = %d\n", z );
}