Value returned from a library function is not checked for errors before being used. This value may indicate an error condition.

Defect 114078 (STATIC_C)
Checker CHECKED_RETURN (subcategory library_function)
File: /test/csuite/incr_backup/main.c
Function active_files_remove_missing
/test/csuite/incr_backup/main.c, line: 298
Calling "remove(filename)" without checking return value. This library function may fail and return an error code.

                remove(filename);