This page contains the sentence: " The macro definition for the syscallX() macros can be found in /usr/include/linux/unistd.h"
实际上，此文件包含系统调用号。用于系统调用生成的宏位于文件 /usr/include/asm/unistd.h 中
syscallX() 宏的错误文件 syscallX() 宏的错误文件