cgiwrap_getenv (3) Linux Manual Page

cgiwrap_getenv – the wrapper for getenv

Synopsis

#include <cgi/cgiwrap.h>

NEOERR *cgiwrap_getenv (const char *k, char **v);

Arguments

k – the environment variable to lookup

Description

cgiwrap_getenv wraps the getenv function for access to environment variables, which are used to pass data to CGI scripts. This version differs from the system getenv in that it makes a copy of the value it returns, which gets around problems when wrapping this routine in garbage collected/reference counted languages by moving the ownership of the data to the calling function.

Return Value

v – a newly allocated copy of the value of that variable, or
NULL if not found.

See Also

cgiwrap_iterenv(3), cgiwrap_putenv(3), cgiwrap_init_emu(3), cgiwrap_writef(3), cgiwrap_init_std(3), cgiwrap_writevf(3), cgiwrap_read(3), cgiwrap_write(3), cgiwrap_getenv