posix_eaccess Determine accessibility of a file &reftitle.description; boolposix_eaccess stringfilename intflags0 posix_eaccess checks the effective user's permission of a file &reftitle.parameters; filename The name of a file to be tested. flags A mask consisting of one or more of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK and POSIX_X_OK. POSIX_R_OK, POSIX_W_OK and POSIX_X_OK request checking whether the file exists and has read, write and execute permissions, respectively. POSIX_F_OK just requests checking for the existence of the file. &reftitle.returnvalues; &return.success; &reftitle.changelog; &Version; &Description; 8.3.0 Checks the effective user/group for a file, differing from posix_access which checks from the real user/group. &reftitle.examples; This example will check if the $file is readable and writable, otherwise will print an error message. ]]> &reftitle.seealso; posix_get_last_error posix_strerror posix_access