传址调用

#include <stdio.h> int func(int *a,int *b) { int tmp; tmp=*a; *a=*b; *b=tmp; return 0; } int main() { int a=1; int b=2; printf("%d,%d/n",a,b); func(&a,&b); printf("%d,%d/n",a,b); return 0; }

 

vlist *addnode=(vlist*)malloc(sizeof(vlist));

 

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