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FreeBSD 11.0 - man page for kldfind (freebsd section 2)

KLDFIND(2)						      BSD System Calls Manual							KLDFIND(2)

NAME
kldfind -- returns the fileid of a kld file
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/param.h> #include <sys/linker.h> int kldfind(const char *file);
DESCRIPTION
The kldfind() system call returns the fileid of the kld file referenced by file.
RETURN VALUES
The kldfind() system call returns the fileid of the kld file referenced by file. Upon error, kldfind() returns -1 and sets errno to indicate the error.
ERRORS
errno is set to the following if kldfind() fails: [EFAULT] The data required for this operation could not be read from the kernel space. [ENOENT] The file specified is not loaded in the kernel.
SEE ALSO
kldfirstmod(2), kldload(2), kldnext(2), kldstat(2), kldsym(2), kldunload(2), modfind(2), modfnext(2), modnext(2), modstat(2), kld(4), kldstat(8)
HISTORY
The kld interface first appeared in FreeBSD 3.0.
BSD
March 3, 1999 BSD