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24.\" $Id: elftc_copyfile.3 3645 2018-10-15 20:17:14Z jkoshy $
25.\"
26.Dd December 11, 2011
27.Dt ELFTC_COPYFILE 3
28.Os
29.Sh NAME
30.Nm elftc_copyfile
31.Nd convenience function to copy data
32.Sh LIBRARY
33.Lb libelftc
34.Sh SYNOPSIS
35.In libelftc.h
36.Ft in
37.Fn elftc_copyfile "int ifd" "int ofd"
38.Sh DESCRIPTION
39The function
40.Fn elftc_copyfile
41copies the contents of the file referenced by argument
42.Ar ifd
43to the file referenced by argument
44.Ar ofd .
45.Pp
46The argument
47.Ar ifd
48should contain a file descriptor opened for reading, with its file
49offset at the beginning of the file.
50.Pp
51The argument
52.Ar ofd
53should contain a file descriptor opened for writing.
54.Sh RETURN VALUES
55.Rv -std
56.Sh ERRORS
57The function
58.Fn elftc_copyfile
59may fail with any of the errors returned by
60.Xr fstat 2 ,
61.Xr mmap 2 ,
62.Xr munmap 2 ,
63.Xr read 2 ,
64.Xr write 2 ,
65or
66.Xr malloc 3 .
67.Sh SEE ALSO
68.Xr fstat 2 ,
69.Xr mmap 2 ,
70.Xr munmap 2 ,
71.Xr read 2 ,
72.Xr write 2 ,
73.Xr malloc 3
74