如果我malloc在我的代码中使用:
int *x = malloc(sizeof(int));
Run Code Online (Sandbox Code Playgroud)
我收到以下警告gcc:
new.c:7: warning: implicit declaration of function ‘malloc’
new.c:7: warning: incompatible implicit declaration of built-in function ‘malloc’
Run Code Online (Sandbox Code Playgroud)