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127.TH BIO_set_callback 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_set_callback, BIO_get_callback, BIO_set_callback_arg, BIO_get_callback_arg, 134BIO_debug_callback \- BIO callback functions 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 1 138\& #include <openssl/bio.h> |
139\& 140\& #define BIO_set_callback(b,cb) ((b)\->callback=(cb)) 141\& #define BIO_get_callback(b) ((b)\->callback) 142\& #define BIO_set_callback_arg(b,arg) ((b)\->cb_arg=(char *)(arg)) 143\& #define BIO_get_callback_arg(b) ((b)\->cb_arg) 144\& |
145\& long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, 146\& long argl,long ret); |
147\& |
148\& typedef long (*callback)(BIO *b, int oper, const char *argp, 149\& int argi, long argl, long retvalue); 150.Ve 151.SH "DESCRIPTION" 152.IX Header "DESCRIPTION" 153\&\fIBIO_set_callback()\fR and \fIBIO_get_callback()\fR set and retrieve the \s-1BIO\s0 callback, 154they are both macros. The callback is called during most high level \s-1BIO\s0 155operations. It can be used for debugging purposes to trace operations on --- 69 unchanged lines hidden --- |