1.\" Automatically generated by Pod::Man 2.22 (Pod::Simple 3.07) |
2.\" 3.\" Standard preamble: 4.\" ======================================================================== |
5.de Sp \" Vertical space (when we can't use .PP) 6.if t .sp .5v 7.if n .sp 8.. 9.de Vb \" Begin verbatim text 10.ft CW 11.nf 12.ne \\$1 13.. 14.de Ve \" End verbatim text 15.ft R 16.fi 17.. 18.\" Set up some character translations and predefined strings. \*(-- will 19.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left |
20.\" double quote, and \*(R" will give a right double quote. \*(C+ will 21.\" give a nicer C++. Capital omega is used to do unbreakable dashes and 22.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, 23.\" nothing in troff, for use with C<>. 24.tr \(*W- |
25.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' 26.ie n \{\ 27. ds -- \(*W- 28. ds PI pi 29. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch 30. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch 31. ds L" "" 32. ds R" "" 33. ds C` "" 34. ds C' "" 35'br\} 36.el\{\ 37. ds -- \|\(em\| 38. ds PI \(*p 39. ds L" `` 40. ds R" '' 41'br\} 42.\" |
43.\" Escape single quotes in literal strings from groff's Unicode transform. 44.ie \n(.g .ds Aq \(aq 45.el .ds Aq ' 46.\" |
47.\" If the F register is turned on, we'll generate index entries on stderr for |
48.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index |
49.\" entries marked with X<> in POD. Of course, you'll have to process the 50.\" output yourself in some meaningful fashion. |
51.ie \nF \{\ |
52. de IX 53. tm Index:\\$1\t\\n%\t"\\$2" 54.. 55. nr % 0 56. rr F 57.\} |
58.el \{\ 59. de IX 60.. 61.\} |
62.\" |
63.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). 64.\" Fear. Run. Save yourself. No user-serviceable parts. 65. \" fudge factors for nroff and troff 66.if n \{\ 67. ds #H 0 68. ds #V .8m 69. ds #F .3m 70. ds #[ \f1 --- 48 unchanged lines hidden (view full) --- 119. ds Th \o'LP' 120. ds ae ae 121. ds Ae AE 122.\} 123.rm #[ #] #H #V #F C 124.\" ======================================================================== 125.\" 126.IX Title "BIO_ctrl 3" |
127.TH BIO_ctrl 3 "2010-11-16" "0.9.8p" "OpenSSL" 128.\" For nroff, turn off justification. Always turn off hyphenation; it makes 129.\" way too many mistakes in technical documents. 130.if n .ad l 131.nh |
132.SH "NAME" 133BIO_ctrl, BIO_callback_ctrl, BIO_ptr_ctrl, BIO_int_ctrl, BIO_reset, 134BIO_seek, BIO_tell, BIO_flush, BIO_eof, BIO_set_close, BIO_get_close, 135BIO_pending, BIO_wpending, BIO_ctrl_pending, BIO_ctrl_wpending, 136BIO_get_info_callback, BIO_set_info_callback \- BIO control operations 137.SH "SYNOPSIS" 138.IX Header "SYNOPSIS" 139.Vb 1 140\& #include <openssl/bio.h> |
141\& |
142\& long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg); 143\& long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long)); 144\& char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg); 145\& long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg); |
146\& |
147\& int BIO_reset(BIO *b); 148\& int BIO_seek(BIO *b, int ofs); 149\& int BIO_tell(BIO *b); 150\& int BIO_flush(BIO *b); 151\& int BIO_eof(BIO *b); 152\& int BIO_set_close(BIO *b,long flag); 153\& int BIO_get_close(BIO *b); 154\& int BIO_pending(BIO *b); 155\& int BIO_wpending(BIO *b); 156\& size_t BIO_ctrl_pending(BIO *b); 157\& size_t BIO_ctrl_wpending(BIO *b); |
158\& |
159\& int BIO_get_info_callback(BIO *b,bio_info_cb **cbp); 160\& int BIO_set_info_callback(BIO *b,bio_info_cb *cb); |
161\& |
162\& typedef void bio_info_cb(BIO *b, int oper, const char *ptr, int arg1, long arg2, long arg3); 163.Ve 164.SH "DESCRIPTION" 165.IX Header "DESCRIPTION" 166\&\fIBIO_ctrl()\fR, \fIBIO_callback_ctrl()\fR, \fIBIO_ptr_ctrl()\fR and \fIBIO_int_ctrl()\fR 167are \s-1BIO\s0 \*(L"control\*(R" operations taking arguments of various types. 168These functions are not normally called directly, various macros 169are used instead. The standard macros are described below, macros --- 71 unchanged lines hidden (view full) --- 241.PP 242Source/sink BIOs return an 0 if they do not recognize the \fIBIO_ctrl()\fR 243operation. 244.SH "BUGS" 245.IX Header "BUGS" 246Some of the return values are ambiguous and care should be taken. In 247particular a return value of 0 can be returned if an operation is not 248supported, if an error occurred, if \s-1EOF\s0 has not been reached and in |
249the case of \fIBIO_seek()\fR on a file \s-1BIO\s0 for a successful operation. |
250.SH "SEE ALSO" 251.IX Header "SEE ALSO" 252\&\s-1TBA\s0 |