Merge branch 'getopt-cleanup' into 'master'

remove unused C header

See merge request redox-os/relibc!1237

include/getopt.h

@@ -1,21 +0,0 @@
-#ifndef _GETOPT_H
-#define _GETOPT_H
-
-// Generated from:
-// `grep "opt" target/include/unistd.h`
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern char* optarg;
-extern int opterr;
-extern int optind;
-extern int optopt;
-int getopt(int argc, char *const *argv, const char *optstring);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif

src/header/getopt/mod.rs

@@ -11,6 +11,7 @@ use crate::{
 };
 use core::ptr;
 
+/// cbindgen:ignore
 static mut CURRENT_OPT: *mut c_char = ptr::null_mut();
 
 /// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getopt.3.html>.