C 库函数 - sscanf()用法

sscanf() 函数的声明:  int sscanf(const char *str, const char *format, ...)

 

#include "sys.h"
#include "usart.h" 
#include 
#include 
#include 

int main()
{
    int data[4] = {0}; 
    char dtm[100];

    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置系统中断优先级分组2
    uart_init(115200);		//初始化串口波特率为115200
    
    strcpy( dtm,"192.168.3.102" );
    sscanf( dtm,"%d.%d.%d.%d",&data[0],&data[1],&data[2],&data[3]);

    printf("data[0] = %d\r\n", data[0]);
    printf("data[1] = %d\r\n", data[1]);
    printf("data[2] = %d\r\n", data[2]);
    printf("data[3] = %d\r\n", data[3]);

     while(1);
}

keil5上运行结果: