resource_int_value (9)
Leading comments
Copyright (c) 2001 M. Warner Losh All rights reserved. This program is free software. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer...
NAME
resource_int_value , resource_long_value , resource_string_value - get a value from the hints mechanismSYNOPSIS
In sys/param.h In sys/bus.h Ft int Fn resource_int_value const char *name int unit const char *resname int *result Ft int Fn resource_long_value const char *name int unit const char *resname long *result Ft int Fn resource_string_value const char *name int unit const char *resname const char **resultDESCRIPTION
These functions fetch a value from the ``hints'' mechanism.The functions take the following arguments:
- Fa name
- The name of the device to get the resource value from.
- Fa unit
- The unit number of the device. -1 is special and is used for wildcard entries.
- Fa resname
- The resource name.
- Fa result
- A pointer to memory in which to store the resource value.
RETURN VALUES
If successful, the functions return 0. Otherwise, a non-zero error code is returned.ERRORS
The functions will fail if:- Bq Er ENOENT
- The resource could not be found.
- Bq Er EFTYPE
- Inappropriate resource type.