1Root directory "//" refers to "/vendor/hisi/hi3861/hi3861". 2We use header files from musl ("//platform/os/Huawei_LiteOS/components/lib/libc/musl/include"). 3 4Some posix apis are already defined in different places: 5errno is defined in //build/libs/libc_base.o 6malloc and free are defined in //build/libs/libc_base.o 7pthread_mutex_* are defined in //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a 8semaphore is defined in //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a 9usleep is defined in //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a 10clock_* are defined in //build/libs/liblitekernel_base.o 11printf is defined in //build/libs/liblitekernel_base.o 12fcntl and socket apis are defined in //build/libs/liblwip.a 13