8.22 Here are some type and variable declarations in C syntax: typedef struct { int x; char y; } Recl; typedef Recl Rec2; typedef struct { int x; char y: } Rec3; Recl a,b; Rec2 c; Rec3 d; State which variables are type equivalent under (a) structural equivalence, (b) name equivalence, and (c) the actual C equivalence algorithm. Be sure to identify those cases that are ambiguous from the information at hand.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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8.22
Here are some type and variable declarations in C syntax:
typedef struct {
int x;
char y;
} Rec1;
typedef Rec1 Rec2;
typedef struct {
int x;
char y:
} Rec3:
Recl a,b;
Rec2 c;
Rec3 d;
State which variables are type equivalent under (a) structural equivalence, (b) name equivalence,
and (c) the actual C equivalence algorithm. Be sure to identify those cases that are ambiguous
from the information at hand.
Transcribed Image Text:8.22 Here are some type and variable declarations in C syntax: typedef struct { int x; char y; } Rec1; typedef Rec1 Rec2; typedef struct { int x; char y: } Rec3: Recl a,b; Rec2 c; Rec3 d; State which variables are type equivalent under (a) structural equivalence, (b) name equivalence, and (c) the actual C equivalence algorithm. Be sure to identify those cases that are ambiguous from the information at hand.
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