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FreeBSD 11.0 - man page for kld_load (freebsd section 3)

KLD(3)							   BSD Library Functions Manual 						    KLD(3)

NAME
kld_isloaded, kld_load -- kld utility functions
LIBRARY
System Utilities Library (libutil, -lutil)
SYNOPSIS
#include <libutil.h> int kld_isloaded(const char *name); int kld_load(const char *name);
DESCRIPTION
These functions facilitate loading kernel modules from userland applications. The kld_isloaded() function takes a name and returns a non-zero value if a module of that name is currently loaded. The name can be either the name of a module file (cpufreq.ko), the same name without the .ko extension (cpufreq), or the name of a module contained within that file (cpu/ichss). Only the latter will return correct results if the module is compiled into the kernel. The kld_load() function is a simple wrapper around the kldload(2) function. It returns zero if and only if the corresponding kldload() call succeeded or returned EEXIST (signifying that the requested module was already loaded).
SEE ALSO
kldfirstmod(2), kldload(2), kldnext(2), kldstat(2), modfnext(2), modstat(2), kld(4)
HISTORY
The kld_isloaded() and kld_load() functions first appeared in FreeBSD 6.3.
AUTHORS
The kld_isloaded() and kld_load() functions and this manual page were written by Dag-Erling Smorgrav <des@FreeBSD.org>.
BSD
February 18, 2006 BSD