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-rw-r--r--api/posix/sys/mman.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/api/posix/sys/mman.h b/api/posix/sys/mman.h
index dde74c0..dd8d6f5 100644
--- a/api/posix/sys/mman.h
+++ b/api/posix/sys/mman.h
@@ -1,5 +1,7 @@
#pragma once
+#define MAP_FAILED ((void *) 1)
+
void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
int munmap(void *addr, size_t length);