.TH MPI_Info_get_valuelen 3 "2/9/2000" " " "MPI-2".SH NAMEMPI_Info_get_valuelen \-  Retrieves the length of the value associated with a key .SH SYNOPSIS.nfint MPI_Info_get_valuelen(MPI_Info info, char *key, int *valuelen, int *flag).fi.SH INPUT PARAMETERS.PD 0.TP.B info - info object (handle).PD 1.PD 0.TP.B key - key (string).PD 1.SH OUTPUT PARAMETERS.PD 0.TP.B valuelen - length of value argument (integer).PD 1.PD 0.TP.B flag - true if key defined, false if not (boolean).PD 1.SH NOTES FOR FORTRANAll MPI routines in Fortran (except for .I MPI_WTIMEand .I MPI_WTICK) havean additional argument .I ierrat the end of the argument list.  .I ierris an integer and has the same meaning as the return value of the routinein C.  In Fortran, MPI routines are subroutines, and are invoked with the.I callstatement.All MPI objects (e.g., .I MPI_Datatype, .I MPI_Comm) are of type .I INTEGERin Fortran..SH LOCATIONinfo_getvln.c