1 files changed, 17 insertions, 0 deletions
diff --git a/src/stddef/offsetof.c b/src/stddef/offsetof.c
new file mode 100644
index 00000000..c5bf733b
--- /dev/null
+++ b/src/stddef/offsetof.c
@@ -0,0 +1,17 @@
+#include <stddef.h>
+#define offsetof(type, member)        ((size_t)((void*)&(((type*)0)->##member)))
+
+/** get offset of a structure member **/
+
+/***
+determines the offset, in bytes, of a specified field in a TYPE(struct).
+***/
+
+/*
+PROTOTYPE(size_t offsetof(<var>type</var>, <var>member</var>);)
+RETURN_SUCCESS(the offset of ARGUMENT(member) in ARGUMENT(type))
+UNDEFINED(ARGUMENT(member) is a bit-field)
+*/
+/*
+STDC(1)
+*/