return?cirf

這里缺了分號(hào)

??printf("三角形的周長(zhǎng)是：%d\n",?getGirth);?//調(diào)用周長(zhǎng)函數(shù)

這里缺了參數(shù)

修改后的代碼

#include?<stdio.h>?
int?getGirth(int?a,int?b,int?c)?
{?
????if(?(a+b)<=c?||?(a+c)<=b?||?(b+c)<=a?)?//判斷是否為三角形?
????{?
????????printf("不構(gòu)成三角形\n");?
????????return?0;?
????????}?
????????else?
????????{?
????????????int?cirf?=?a+b+c?;?//計(jì)算三角形周長(zhǎng)?return?cirf;
????????????return?cirf;
????????}?
????}?
int?main()?
{?/*?定義三角形三邊長(zhǎng)?*/
????int?a,?b,?c;?a?=?3;?b?=?4;?c?=?5;?
????printf("三角形的周長(zhǎng)是：%d\n",?getGirth(a,b,c));?//調(diào)用周長(zhǎng)函數(shù)?
????return?0;
}