指针在函数中的传递

#include <stdio.h>char m[]="12345";int test(char **FPt){  printf("m =%x \n",m);  *FPt=m;}void main(){  char *t=0;  printf("t1 == %x \n",t);  test(&t);  printf("t2 == %x \n",t);  printf("%s\n",t);}

// 运行结果：[root@localhost tmp]# ./test2t1 == 0 m =80496e4 t2 == 80496e4 12345