int sync();\r
int seek(MPI_Offset offset, int whence);\r
static int read(MPI_File fh, void *buf, int count,MPI_Datatype datatype, MPI_Status *status);\r
+ static int write(MPI_File fh, void *buf, int count,MPI_Datatype datatype, MPI_Status *status);\r
static int close(MPI_File *fh);\r
static int del(char *filename, MPI_Info info);\r
};\r