resource_string_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...

(The comments found at the beginning of the groff file "man9/resource_string_value.9freebsd".)

NAME

resource_int_value , resource_long_value , resource_string_value - get a value from the hints mechanism

SYNOPSIS

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 **result

DESCRIPTION

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.

SEE ALSO

device(9), driver(9)

AUTHORS

This manual page was written by An Warner Losh Aq imp@FreeBSD.org .