lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/lib/mlibc/options/glibc/include/stdio_ext.h b/lib/mlibc/options/glibc/include/stdio_ext.h
new file mode 100644
index 0000000..f22e05d
--- /dev/null
+++ b/lib/mlibc/options/glibc/include/stdio_ext.h
@@ -0,0 +1,41 @@
+#ifndef _STDIO_EXT_H
+#define _STDIO_EXT_H
+
+#include <stddef.h>
+#include <stdio.h>
+
+#define FSETLOCKING_INTERNAL 1
+#define FSETLOCKING_BYCALLER 2
+#define FSETLOCKING_QUERY 3
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+size_t __fbufsize(FILE *);
+size_t __fpending(FILE *);
+int __flbf(FILE *);
+int __freadable(FILE *);
+int __fwritable(FILE *);
+int __freading(FILE *);
+int __fwriting(FILE *);
+int __fsetlocking(FILE *, int);
+void __fpurge(FILE *);
+
+void _flushlbf(void);
+
+// The following functions are defined by musl.
+
+size_t __freadahead(FILE *);
+const char *__freadptr(FILE *, size_t *);
+void __fseterr(FILE *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _STDIO_EXT_H