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RESOURCE_INT_VALUE(9) | Kernel Developer's Manual | RESOURCE_INT_VALUE(9) |
NAME¶
resource_int_value, resource_long_value, resource_string_value — get a value from the hints mechanismSYNOPSIS¶
#include <sys/param.h>#include <sys/bus.h> int
resource_int_value(const char *name, int unit, const char *resname, int *result); int
resource_long_value(const char *name, int unit, const char *resname, long *result); int
resource_string_value(const char *name, int unit, const char *resname, const char **result);
DESCRIPTION¶
These functions fetch a value from the “hints” mechanism. The functions take the following arguments:- name
- The name of the device to get the resource value from.
- unit
- The unit number of the device. -1 is special and is used for wildcard entries.
- resname
- The resource name.
- 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:- [
ENOENT
] - The resource could not be found.
- [
EFTYPE
] - Inappropriate resource type.
SEE ALSO¶
device(9), driver(9)AUTHORS¶
This manual page was written by Warner Losh ⟨imp@FreeBSD.org⟩.March 1, 2001 | Debian |