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-rw-r--r--src/pkg/syscall/syscall.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/syscall/syscall.go b/src/pkg/syscall/syscall.go
index 1647d69e5..96975376f 100644
--- a/src/pkg/syscall/syscall.go
+++ b/src/pkg/syscall/syscall.go
@@ -24,3 +24,7 @@ func StringByteSlice(s string) []byte {
// StringBytePtr returns a pointer to a NUL-terminated array of bytes
// containing the text of s.
func StringBytePtr(s string) *byte { return &StringByteSlice(s)[0] }
+
+// Single-word zero for use when we need a valid pointer to 0 bytes.
+// See mksyscall.sh.
+var _zero uintptr