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Command: nlist | Section: 3 | Source: UNIX v10 | File: nlist.3
NLIST(3) Library Functions Manual NLIST(3)
NAME
nlist - get entries from name list
SYNOPSIS
#include <nlist.h>
nlist(filename, nl)
char *filename;
struct nlist nl[];
DESCRIPTION
Nlist examines the name list in the given executable output file and
selectively extracts a list of values. The list is terminated with a
null name.
struct nlist {
char *n_name; symbol name
unsigned char n_type; type flag
char n_other; unused
short n_desc; unused
unsigned long n_value; value (or offset) of this symbol
};
Each name is looked up in the name list of the file. If the name is
found, the type and value of the name are inserted in and respectively.
If the name is not found, both entries are set to 0.
This subroutine is useful for examining the system name list kept in In
this way programs can obtain system addresses that are up to date.
SEE ALSO
a.out(5)
DIAGNOSTICS
All type entries are set to 0 if the file cannot be found or if it is
not a valid namelist.
BUGS
On some UNIX systems you must include rather than This is unfortunate,
but can't be used on the VAX because it contains a union, which can't
be initialized.
NLIST(3)