#include <s3l/s3l-c.h>
#include <s3l/s3l_errno-c.h>
int
S3L_set_process_grid(pgrid,
rank, majorness, grid_extents, plist_length, process_list)
    S3L_pgrid_t        *pgrid
    int                rank
    int                majorness
    int                *grid_extents
    int                plist_length
    int                *process_list