mgetstr - read a character string
mgetstr function allows to read a character string in a binary file. If EOF is reached before read completion only the properly read values will be returned.
mclose , meof , mfprintf , fprintfMat , mfscanf , fscanfMat , mget , mgetstr , mopen , mprintf , mput , mputstr , mscanf , mseek , mtell , mdelete ,