#include <stdio.h>
struct Entry{
char *name;
char *number;
char *department;
};
void addnumber(struct Entry **library);
void main(void){
struct Entry *directory=NULL;
addnumber(&directory);
}
void addnumber(struct Entry **library){
(**library).name="abcde";
}
uj5u.com熱心網友回復:
你需要為指標分配空間,否則就是使用了空指標struct Entry *directory=malloc(sizeof(struct Entry));
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