strace ./client 209.97.142.217 32526 execve("./client", ["./client", "209.97.142.217", "32526"], 0x7ffc4e4c8a00 /* 56 vars */) = 0 brk(NULL) = 0x55ce61a03000 arch_prctl(0x3001 /* ARCH_??? */, 0x7ffce65714a0) = -1 EINVAL (Invalid argument) access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=164116, ...}, AT_EMPTY_PATH) = 0 mmap(NULL, 164116, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fbbc02d0000 close(3) = 0 openat(AT_FDCWD, "/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`|\2\0\0\0\0\0"..., 832) = 832 pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784 pread64(3, "\4\0\0\0@\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0"..., 80, 848) = 80 pread64(3, "\4\0\0\0\24\0\0\0\3\0\0\0GNU\0K@g7\5w\10\300\344\306B4Zp