kvm_nlist man page on FreeBSD

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KVM_NLIST(3)		 BSD Library Functions Manual		  KVM_NLIST(3)

NAME
     kvm_nlist — retrieve symbol table names from a kernel image

LIBRARY
     Kernel Data Access Library (libkvm, -lkvm)

SYNOPSIS
     #include <kvm.h>
     #include <nlist.h>

     int
     kvm_nlist(kvm_t *kd, struct nlist *nl);

DESCRIPTION
     The kvm_nlist() function retrieves the symbol table entries indicated by
     the name list argument nl.	 This argument points to an array of nlist
     structures, terminated by an entry whose n_name field is NULL (see
     nlist(3)).	 Each symbol is looked up using the n_name field, and if
     found, the corresponding n_type and n_value fields are filled in.	These
     fields are set to 0 if the symbol is not found.

     The kldsym(2) system call is used to locate the symbol.  This is a less
     than perfect emulation of the nlist values but has the advantage of being
     aware of kernel modules and is reasonably fast.

RETURN VALUES
     The kvm_nlist() function returns the number of invalid entries found.  If
     the kernel symbol table was unreadable, -1 is returned.

SEE ALSO
     kldsym(2), kvm(3), kvm_close(3), kvm_getargv(3), kvm_getenvv(3),
     kvm_geterr(3), kvm_getprocs(3), kvm_open(3), kvm_openfiles(3),
     kvm_read(3), kvm_write(3)

BSD				 June 4, 1993				   BSD
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