线程函数参数怎么void* p接受(void**)&str)???
- C/C++ code
#include <stdio.h> #include <pthread.h> #include <stdlib.h> /*返回字符串常量的地址*/ void* task1(void* p){ char* str = "Hello World"; return str; } int main() { pthread_t tid; pthread_create(&tid, 0, task1, 0); char* str; pthread_join(tid, (void**)&str); printf("str=%sn", str); //return的str保存在str里??? }
task1(void *p)
{
*(char**)p = str;
}
pthread_join(tid, (void*)&str);