.\" Automatically generated by Pandoc 2.5 .\" .TH "mysql_errno" "3" "" "Version 3.3.1" "MariaDB Connector/C" .hy .SS Name .PP mysql_errno \- returns the last error code for the most recent function call .SS Synopsis .IP .nf \f[C] #include unsigned int mysql_errno(MYSQL * mysql); \f[R] .fi .SS Description .PP Returns the last error code for the most recent function call that can succeed or fail. Zero means no error occurred. .SS Parameter .IP \[bu] 2 \f[C]mysql\f[R] is a connection identifier, which was previously allocated by \f[B]mysql_init(3)\f[R] and connected by \f[B]mysql_real_connect(3)\f[R]. .SS Notes .IP \[bu] 2 Client error codes are listed in \f[C]errmsg.h\f[R] header file, server error codes are listed in \f[C]mysqld_error.h\f[R] header file of the server source distribution. .SS See also .IP \[bu] 2 \f[B]mysql_error(3)\f[R] .IP \[bu] 2 \f[B]mysql_sqlstate(3)\f[R]