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A free derivative of BSD Unix, 1992BSD, was released in 1992 and led to the NetBSD and FreeBSD projects.
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pam_get_data(3) [minix man page]

PAM_GET_DATA(3) 						 Linux-PAM Manual						   PAM_GET_DATA(3)

NAME
pam_get_data - get module internal data SYNOPSIS
#include <security/pam_modules.h> int pam_get_data(const pam_handle_t *pamh, const char *module_data_name, const void **data); DESCRIPTION
This function together with the pam_set_data(3) function is useful to manage module-specific data meaningful only to the calling PAM module. The pam_get_data function looks up the object associated with the (hopefully) unique string module_data_name in the PAM context specified by the pamh argument. A successful call to pam_get_data will result in data pointing to the object. Note, this data is not a copy and should be treated as constant by the module. RETURN VALUES
PAM_SUCCESS Data was successful retrieved. PAM_SYSTEM_ERR A NULL pointer was submitted as PAM handle or the function was called by an application. PAM_NO_MODULE_DATA Module data not found or there is an entry, but it has the value NULL. SEE ALSO
pam_end(3), pam_set_data(3), pam_strerror(3) Linux-PAM Manual 06/04/2011 PAM_GET_DATA(3)

Check Out this Related Man Page

PAM_GET_DATA(3) 						 Linux-PAM Manual						   PAM_GET_DATA(3)

NAME
pam_get_data - get module internal data SYNOPSIS
#include <security/pam_modules.h> int pam_get_data(const pam_handle_t *pamh, const char *module_data_name, const void **data); DESCRIPTION
This function together with the pam_set_data(3) function is useful to manage module-specific data meaningful only to the calling PAM module. The pam_get_data function looks up the object associated with the (hopefully) unique string module_data_name in the PAM context specified by the pamh argument. A successful call to pam_get_data will result in data pointing to the object. Note, this data is not a copy and should be treated as constant by the module. RETURN VALUES
PAM_SUCCESS Data was successful retrieved. PAM_SYSTEM_ERR A NULL pointer was submitted as PAM handle or the function was called by an application. PAM_NO_MODULE_DATA Module data not found or there is an entry, but it has the value NULL. SEE ALSO
pam_end(3), pam_set_data(3), pam_strerror(3) Linux-PAM Manual 06/04/2011 PAM_GET_DATA(3)

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