matfile_varreadnext — Reads next variable in a Matlab V5 binary MAT-file.
[name[, value[, vartype]]] = matfile_varreadnext(fd)
Real: file descriptor (returned by matfile_open).
String: name of the variable read or ""
if reading failed.
Any Scilab type: value of the variable read or an empty matrix if reading failed.
Real: type of the variable if reading succeeds or:
0: if the variable type is unknown.
-1: if end of file has been reached.