Make the function names consistent

ruby.c

@@ -422,7 +422,7 @@ usage(const char *name, int help, int highlight, int columns)
         SHOW(warn_categories[i]);
 #if USE_YJIT
     printf("%s""YJIT options:%s\n", sb, se);
-    rb_yjit_print_options(help, highlight, w, columns);
+    rb_yjit_show_usage(help, highlight, w, columns);
 #endif
 #if USE_RJIT
     printf("%s""RJIT options (experimental):%s\n", sb, se);

yjit.h

@@ -43,7 +43,7 @@ void rb_yjit_iseq_free(void *payload);
 void rb_yjit_before_ractor_spawn(void);
 void rb_yjit_constant_ic_update(const rb_iseq_t *const iseq, IC ic, unsigned insn_idx);
 void rb_yjit_tracing_invalidate_all(void);
-void rb_yjit_print_options(int help, int highlight, unsigned int w, int columns);
+void rb_yjit_show_usage(int help, int highlight, unsigned int w, int columns);
 
 #else
 // !USE_YJIT

yjit/src/options.rs

@@ -246,7 +246,7 @@ pub fn parse_option(str_ptr: *const std::os::raw::c_char) -> Option<()> {
 
 /// Print YJIT options for `ruby --help`.
 #[no_mangle]
-pub extern "C" fn rb_yjit_print_options(help: c_int, highlight: c_int, w: c_uint, columns: c_int) {
+pub extern "C" fn rb_yjit_show_usage(help: c_int, highlight: c_int, w: c_uint, columns: c_int) {
     for &(name, description) in YJIT_OPTIONS.iter() {
         extern "C" {
             fn ruby_show_usage_line(name: *const c_char, secondary: *const c_char, description: *const c_char,