通过输入man pthread_mutex_trylock,我得到了No manual entry for pthread_mutex_trylock。PTHREAD_MUTEX_LOCK(3POSIX)
This manual page is part of the POSIX Programmer's Manual.The Linux implementation of this interface may differ (consult the cor‐
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至少,我认为一些posix函数是由linux实现的。#log for "man 2 mmap"
MMAP(2) Linux Programmer's ManualProgrammer's Manual.The Linux implementation of this interface may differ (consult the corresponding Linuxmanual page fordetails of <e