求助：麻烦高手们看看这个错误是什么意思？c.o(.text+0x0): In function `main':

wangne

c.o(.text+0x0): In function `main':
: multiple definition of `main'
f.o(.text+0x0): first defined here
/usr/bin/ld: Warning: size of symbol `main' changed from 117 in f.o to 51 in c.ocollect2: ld returned 1 exit status

DoDo

multiple definition of `main'