sys_chdir 38 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_chdir, sys_chdir) sys_chdir 431 include/linux/syscalls.h asmlinkage long sys_chdir(const char __user *filename); sys_chdir 170 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_chdir, sys_chdir) sys_chdir 1798 tools/include/nolibc/nolibc.h int ret = sys_chdir(path); sys_chdir 170 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_chdir, sys_chdir)