The pam_getenvlist() function returns a list of all the PAM environment variables stored in the PAM handle pamh. The list is returned as a null-terminated array of pointers to strings. Each string contains a single PAM environment variable of the form name=value. The list returned is a duplicate copy of all the environment variables stored in pamh. It is the responsibility of the calling application to free the memory returned by pam_getenvlist().

If successful, pam_getenvlist() returns in a null-terminated array a copy of all the PAM environment variables stored in pamh. Otherwise, pam_getenvlist() returns a null pointer.

See attributes(5) for descriptions of the following attributes:

pam(3PAM), pam_getenv(3PAM), pam_putenv(3PAM), libpam(3LIB), attributes(5)

The interfaces in libpam are MT-Safe only if each thread within the multithreaded application uses its own PAM handle.