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-rw-r--r--src/userspace/syscall.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/userspace/syscall.c b/src/userspace/syscall.c
index 132cd49..9462b10 100644
--- a/src/userspace/syscall.c
+++ b/src/userspace/syscall.c
@@ -5,9 +5,9 @@
*/
DEFN_SYSCALL0(halt, 0);
-DEFN_SYSCALL1(write, 1, char *);
+DEFN_SYSCALL1(write, 1, const char *);
-DEFN_SYSCALL1(read, 2, char *);
+DEFN_SYSCALL1(read, 2, const char *);
DEFN_SYSCALL1(writec, 3, char);