在linux环境下编译一个工程，不管怎样编译，总是出现以下错误：-bash-4.1$ gcc test.c consumers_producers.c/tmp/ccQzS4PV.o: In function `main':test.c:(.text+0x92): undefined reference to `pthread_create'test.c:(.text+0xf2): u...

C语言中1.floor函数原型：int示例#include<stdio.h>#include<stdlib.h>#include<math.h>int main(){int