[metadata]
id = "DCL37-C"
type = "rule"
category = "DCL"
number = 37
title = "Do not declare or define a reserved identifier"
description = """
According to the C Standard, 6.4.2.1 paragraph 7 [ISO/IEC 9899:2024], C
Standard, 7.1.3 paragraph 1 [ISO/IEC 9899:2024], Additionally, subclause 7.33
defines many other reserved identifiers for future library directions.
"""
severity = "Low"
likelihood = "Unlikely"
priority = "P2"
level = "L3"
cert_version = "2016 Edition (Wiki)"
last_modified = "Oct 29, 2025"
[rules.cert_c.DCL37-C]
enabled = true
[references]
wiki = "https://wiki.sei.cmu.edu/confluence/display/c/DCL37-C.+Do+not+declare+or+define+a+reserved+identifier"