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-rw-r--r--include/errno.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/errno.h b/include/errno.h
index 5661426..025816e 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -7,5 +7,6 @@ extern int errno;
void perror(const char *s);
const char *errno_str(void);
+const char *strerror(int errnum);
#endif /* __ERRNO_H */