xref: /freebsd/lib/libsysdecode/sysdecode_utrace.3 (revision 63d1fd5970ec814904aa0f4580b10a0d302d08b2)
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26.\" $FreeBSD$
27.\"
28.Dd October 17, 2016
29.Dt sysdecode_utrace 3
30.Os
31.Sh NAME
32.Nm sysdecode_utrace
33.Nd produce text description of a utrace record
34.Sh LIBRARY
35.Lb libsysdecode
36.Sh SYNOPSIS
37.In sys/types.h
38.In stdbool.h
39.In sysdecode.h
40.Ft int
41.Fn sysdecode_utrace "FILE *fp" "void *buf" "size_t len" "int decimal"
42.Sh DESCRIPTION
43The
44.Fn sysdecode_utrace
45function outputs a textual representation of a
46.Xr utrace 2
47record identified by
48.Fa buf
49and
50.Fa len
51to the output stream
52.Fa fp .
53.Pp
54The function only outputs a representation for certain types of records.
55If a record is recognized,
56the function outputs the description and returns a non-zero value.
57If the record is not recognized,
58the function does not output anything and returns zero.
59The
60.Fn sysdecode_utrace
61function currently recognizes
62.Xr utrace 2
63records generated by
64.Xr malloc 3
65and
66.Xr rtld 1 .
67.Sh RETURN VALUES
68The
69.Fn sysdecode_utrace
70function returns a non-zero value if it recognizes a
71.Xr utrace 2
72record;
73otherwise it returns zero.
74.Sh SEE ALSO
75.Xr utrace 2 ,
76.Xr sysdecode 3
77