/usr/include/cgi.h is in cgilib 0.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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cgi.h - Routines for CGI programming
Copyright (c) 1996-8,2007,8 Martin Schulze <joey@infodrom.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _CGI_H_
#define _CGI_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef struct var_s {
char *name,
*value;
} s_var;
typedef struct cookie_s {
char *version,
*name,
*value,
*path,
*domain;
} s_cookie;
typedef struct file_s {
char *name,
*type,
*filename,
*tmpfile;
} s_file;
typedef struct cgi_s {
s_var **vars;
s_cookie **cookies;
s_file **files;
} s_cgi;
/* cgiSetHeader
*
* Sets additional HTTP header lines to be printed with cgiHeader
*/
int cgiSetHeader (const char *name, const char *value);
/* cgiSetType
*
* Sets result type for HTTP
*/
int cgiSetType (const char *type);
/* cgiHeader
*
* Prints a valid CGI Header (Content-type...) etc.
*/
void cgiHeader ();
/* cgiDebug
*
* Set/unsets debugging
*/
void cgiDebug (int level, int where);
/* cgiInit
*
* Reads in variables set via POST or stdin, reads HTTP Cookies.
*/
s_cgi *cgiInit ();
/* cgiGetValue
*
* Returns the value of the specified variable or NULL if it's empty
* or doesn't exist.
*/
char *cgiGetValue (s_cgi *parms, const char *name);
/* cgiGetVariables
*
* Returns the names of all form variables.
*/
char **cgiGetVariables (s_cgi *parms);
/* cgiRedirect
*
* Provides a valid redirect for web pages.
*/
void cgiRedirect (const char *url);
/* cgiGetCookie
*
* Returns the cookie referenced by the given name or NULL if it
* doesn't exist or is empty.
*/
s_cookie *cgiGetCookie (s_cgi *parms, const char *name);
/* cgiGetCookies
*
* Returns a list of names of all cookies.
*/
char **cgiGetCookies (s_cgi *parms);
/* cgiGetFiles
*
* Returns a list of names of all files.
*/
char **cgiGetFiles (s_cgi *parms);
/* cgiGetFile
*
* Return data structure for CGI file variable
*/
s_file *cgiGetFile (s_cgi *parms, const char *name);
/* cgiFreeList
*
* Frees a list as returned by cgiGetVariables() and cgiGetCookies()
*/
void cgiFreeList (char **list);
/* cgiFree
*
* Frees the internal data structures
*/
void cgiFree (s_cgi *parms);
/* cgiEscape
*
* Escapes <&> in a string
*/
char *cgiEscape (char *string);
#ifdef __cplusplus
extern }
#endif
#endif /* _CGI_H_ */
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