From 9bb1104e373dec192fb2a22d48b023330ddbaeae Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Tue, 13 Dec 2022 00:14:54 +0200
Subject: implement defining C variadic functions

---
 src/BuiltinFn.zig | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/BuiltinFn.zig')

diff --git a/src/BuiltinFn.zig b/src/BuiltinFn.zig
index 24625dc10a..7e23be2a3a 100644
--- a/src/BuiltinFn.zig
+++ b/src/BuiltinFn.zig
@@ -30,6 +30,10 @@ pub const Tag = enum {
     compile_log,
     ctz,
     c_undef,
+    c_va_arg,
+    c_va_copy,
+    c_va_end,
+    c_va_start,
     div_exact,
     div_floor,
     div_trunc,
@@ -354,6 +358,30 @@ pub const list = list: {
                 .param_count = 1,
             },
         },
+        .{
+            "@cVaArg", .{
+                .tag = .c_va_arg,
+                .param_count = 2,
+            },
+        },
+        .{
+            "@cVaCopy", .{
+                .tag = .c_va_copy,
+                .param_count = 1,
+            },
+        },
+        .{
+            "@cVaEnd", .{
+                .tag = .c_va_end,
+                .param_count = 1,
+            },
+        },
+        .{
+            "@cVaStart", .{
+                .tag = .c_va_start,
+                .param_count = 0,
+            },
+        },
         .{
             "@divExact",
             .{
-- 
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