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cgiGetValue
Section: Programmer's Manual (3)
Updated: 6 April 2008
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NAME
cgiGetValue - Return the value of a CGI variable
SYNOPSYS
#include <cgi.h>
char *cgiGetValue (s_cgi *parms, const char *name);
DESCRIPTION
This routine returns a pointer to the value of a cgi variable.
Encoded characters (%nn) are already decoded. One must not free the
pointer.
If
multiple
fields are used (i.e. a variable that may contain several values) the
value returned contains all these values concatenated together with a
newline character as separator.
Memory allocated by the returned value is automatically freed by the
final call to
cgiFree(3).
RETURN VALUE
On success a pointer to a string is returned. If the variable wasn't
transmitted through CGI or was empty NULL is returned.
AUTHOR
This CGI library is written by Martin Schulze
<joey@infodrom.org>. If you have additions or improvements
please get in touch with him.
SEE ALSO
cgiGetVariables(3),
cgiGetCookie(3),
cgiGetCookies(3),
cgiDebug(3),
cgiHeader(3),
cgiInit(3),
cgiFree(3).
Index
- NAME
-
- SYNOPSYS
-
- DESCRIPTION
-
- RETURN VALUE
-
- AUTHOR
-
- SEE ALSO
-
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