#ifndef GRASS_ROWIO_H #define GRASS_ROWIO_H typedef struct { int fd; /* file descriptor for reading */ int nrows; /* number of rows to be held in memory */ int len; /* buffer length */ int cur; /* current row in memory */ void *buf; /* current data buf */ int (*getrow) (int, void *, int, int); /* routine to do the row reads */ int (*putrow) (int, const void *, int, int); /* routine to do the row writes */ struct ROWIO_RCB { void *buf; /* data buffer */ int age; /* for order of access */ int row; /* row number */ int dirty; } *rcb; } ROWIO; #include #endif