--- Nico Heinze <[EMAIL PROTECTED]> wrote:
> --- In [email protected], Thomas Hruska
> <[EMAIL PROTECTED]> wrote:
> >
> > Arthur Tumanyan wrote:
> > > Hi!I have some troubles with variable
> declarations.
> > >
> > > I can't access variables declared in included
> header file(s).
> > > For instance:
> > > ----header file--------------
> > > #include <stdio.h>
> > > #include <stdarg.h>
> > > #include <stdlib.h>
> > > #include <ctype.h>
> > > #include <string.h>
> > > #include <mysql.h>
> > > #include <sys/types.h>
> > > #include <time.h>
> > > const char MYSQL_ERR[255];
> > > .................etc
> > > ---------source file----------------------
> > > #include "header.h"
> > >
> > > int db_connect(char *dbhost,char *dbuser,char
> *dbpwd,
> > > char *dbname,unsigned int dbport){
> > >
> > > mysql_init(&mysql);
> > > connection =
> > > mysql_real_connect( &mysql, dbhost,
> > >
> dbuser,dbpwd,dbname,dbport,NULL,0);
> > > /* check for connection error */
> > > if(connection == NULL) {
> > > /* log the error message */
> > >
> snprintf(MYSQL_ERR,Q_LINE_MAXLEN,"%s\n",(char
> > > *)mysql_error(&mysql));
> > > log_debug(MYSQL_ERR); /* logger function
> */
> > > return 1;
> > > }
> > >
> > > return 0;
> > > }
> > > --------------------------------------------
> > > after compiling:
> > > shaga.c: In function `db_connect':
> > > shaga.c:13: warning: implicit declaration of
> function `mysql_init'
> > > shaga.c:14: warning: implicit declaration of
> function
> > > `mysql_real_connect'
> > > shaga.c:14: warning: assignment makes pointer
> from integer
> > > without a cast
> > > shaga.c:18: warning: implicit declaration of
> function
> > > `mysql_error'
> >
> > It looks like the #include <mysql.h> isn't being
> included at all -
> > perhaps there is another header.h file on your
> system path?
>
> I dare to suppose that <mysql.h> is not in the path
> for system header
> files. You might want to try
> #include "mysql.h"
> Or you will have to name the directory where mysql.h
> is stored to the
> compiler, e.g. using "-I/opt/mysql/include" (or
> wherever you have
> stored the header file on your machine).
>
> Regards,
> Nico
>
Usually when a header file is not available, there
will be an error on not finding the header file.
Ray
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