二十五岁时我们都一样愚蠢、多愁善感，喜欢故弄玄虚，可如果不那样的话，五十岁时也就不会如此明智。
标题：形式参数
形式参数
#include <stdio.h> /* global variable declaration */ int a = 20; int main () { /* local variable declaration in main function */ int a = 10; int b = 20; int c = 0; printf ("value of a in main() = %d\n", a); c = sum( a, b); printf ("value of c in main() = %d\n", c); return 0; } /* function to add two integers */ int sum(int a, int b) { printf ("value of a in sum() = %d\n", a); printf ("value of b in sum() = %d\n", b); return a + b; }
