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LANG.ID.ND.EXT
LANG.ID.ND.MM
LANG.ID.ND.MO
LANG.ID.ND.NEST
LANG.ID.ND.SS

LANG.ID.NU.EXT
LANG.ID.NU.INT
LANG.ID.NU.LIBFN
LANG.ID.NU.TAG
LANG.ID.NU.TYPE

LANG.STRUCT.DECL.MGT

Non-distinct identifiers: external names
Non-distinct identifiers: macro/macro
Non-distinct identifiers: macro/other
Non-distinct identifiers: nested scope
Non-distinct identifiers: same scope

Non-unique identifiers: external name
Non-unique identifiers: internal name
Library Function Override
Non-unique identifiers: tag
Non-unique identifiers: typedef

Global variable declared with different types

Can detect some violations of this rule but cannot flag violations involving universal names

17 D
355 S
61 X

Fully implemented

MISRA C:2012 Rule 5.1

MISRA C:2012 Rule 5.2

MISRA C:2012 Rule 5.3

MISRA C:2012 Rule 5.4

MISRA C:2012 Rule 5.5

External identifiers shall be distinct

Identifiers declared in the same scope and name space shall be distinct

An identifier declared in an inner scope shall not hide an identifier declared in an outer scope

Macro identifiers shall be distinct

Identifiers shall be distinct from macro names

6270627, 7760776, 0777, 7780778,

0779, 0789, 0791, 0793