* Zero upon success or non-zero if an error occurred. `errno' is set in this
* case.
*/
-ssize_t sread(int fd, void *buf, size_t count);
+int sread(int fd, void *buf, size_t count);
/*
* NAME
* Zero upon success or non-zero if an error occurred. `errno' is set in this
* case.
*/
-ssize_t swrite(int fd, const void *buf, size_t count);
+int swrite(int fd, const void *buf, size_t count);
/*
* NAME