#define ROUND_UP(x) ((x + ALIGN - 1) & ~(ALIGN - 1))
-ssize_t do_read(int fd, void *buf, size_t count)
+static ssize_t do_read(int fd, void *buf, size_t count)
{
size_t offset = 0;
ssize_t l;
return offset;
}
-ssize_t do_write(int fd, const void *buf, size_t count)
+static ssize_t do_write(int fd, const void *buf, size_t count)
{
size_t offset = 0;
ssize_t l;
return offset;
}
-ssize_t write_zero(int fd, size_t len)
+static ssize_t write_zero(int fd, size_t len)
{
size_t i = len;