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-rw-r--r--include/ruby/internal/arithmetic/gid_t.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/ruby/internal/arithmetic/gid_t.h b/include/ruby/internal/arithmetic/gid_t.h
index 9b74225492..361220bfab 100644
--- a/include/ruby/internal/arithmetic/gid_t.h
+++ b/include/ruby/internal/arithmetic/gid_t.h
@@ -23,14 +23,17 @@
#include "ruby/internal/config.h"
#include "ruby/internal/arithmetic/long.h"
+/** Converts a C's `gid_t` into an instance of ::rb_cInteger. */
#ifndef GIDT2NUM
# define GIDT2NUM RB_LONG2NUM
#endif
+/** Converts an instance of ::rb_cNumeric into C's `gid_t`. */
#ifndef NUM2GIDT
# define NUM2GIDT RB_NUM2LONG
#endif
+/** A rb_sprintf() format prefix to be used for a `gid_t` parameter. */
#ifndef PRI_GIDT_PREFIX
# define PRI_GIDT_PREFIX PRI_LONG_PREFIX
#endif