这个C错了,他显示说,函数没有定义,怎样才可以解决?#include int main(){void action1(int x,int y),action2(int x,int y);char ch;int a=15,b=23;ch=getchar();switch (ch){case 'a':case 'A':action1(a,b);break;case 'b':case 'B':action2(a,b);
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![这个C错了,他显示说,函数没有定义,怎样才可以解决?#include int main(){void action1(int x,int y),action2(int x,int y);char ch;int a=15,b=23;ch=getchar();switch (ch){case 'a':case 'A':action1(a,b);break;case 'b':case 'B':action2(a,b);](/uploads/image/z/2225516-68-6.jpg?t=%E8%BF%99%E4%B8%AAC%E9%94%99%E4%BA%86%2C%E4%BB%96%E6%98%BE%E7%A4%BA%E8%AF%B4%2C%E5%87%BD%E6%95%B0%E6%B2%A1%E6%9C%89%E5%AE%9A%E4%B9%89%2C%E6%80%8E%E6%A0%B7%E6%89%8D%E5%8F%AF%E4%BB%A5%E8%A7%A3%E5%86%B3%3F%23include+int+main%28%29%7Bvoid+action1%28int+x%2Cint+y%29%2Caction2%28int+x%2Cint+y%29%3Bchar+ch%3Bint+a%3D15%2Cb%3D23%3Bch%3Dgetchar%28%29%3Bswitch+%28ch%29%7Bcase+%27a%27%3Acase+%27A%27%3Aaction1%28a%2Cb%29%3Bbreak%3Bcase+%27b%27%3Acase+%27B%27%3Aaction2%28a%2Cb%29%3B)
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