.\" DO NOT MODIFY THIS FILE! It was generated by gdoc. .TH "gnutls_pubkey_get_key_usage" 3 "3.8.5" "gnutls" "gnutls" .SH NAME gnutls_pubkey_get_key_usage \- API function .SH SYNOPSIS .B #include .sp .BI "int gnutls_pubkey_get_key_usage(gnutls_pubkey_t " key ", unsigned int * " usage ");" .SH ARGUMENTS .IP "gnutls_pubkey_t key" 12 should contain a \fBgnutls_pubkey_t\fP type .IP "unsigned int * usage" 12 If set will return the number of bits of the parameters (may be NULL) .SH "DESCRIPTION" This function will return the key usage of the public key. .SH "RETURNS" On success, \fBGNUTLS_E_SUCCESS\fP (0) is returned, otherwise a negative error value. .SH "SINCE" 2.12.0 .SH "REPORTING BUGS" Report bugs to . .br Home page: https://www.gnutls.org .SH COPYRIGHT Copyright \(co 2001-2023 Free Software Foundation, Inc., and others. .br Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. .SH "SEE ALSO" The full documentation for .B gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit .B .IP https://www.gnutls.org/manual/ .PP