}
}
-int read_in_full(int fd, void *buf, size_t count)
+ssize_t read_in_full(int fd, void *buf, size_t count)
{
char *p = buf;
ssize_t total = 0;
return total;
}
-int write_in_full(int fd, const void *buf, size_t count)
+ssize_t write_in_full(int fd, const void *buf, size_t count)
{
const char *p = buf;
ssize_t total = 0;