#define uname __uname #include <string.h> #include <unistd.h> #include <sys/utsname.h> #include <errno.h> int attribute_hidden __gethostname(char *name, size_t len) { struct utsname uts; if (name == NULL) { __set_errno(EINVAL); return -1; } if (uname(&uts) == -1) return -1; if (__strlen(uts.nodename)+1 > len) { __set_errno(EINVAL); return -1; } __strcpy(name, uts.nodename); return 0; } strong_alias(__gethostname,gethostname)