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- #include <stdio.h>
- #include <stdlib.h>
- typedef struct{
- int a;
- int b;
- } St;
- void Fnc1( St s )
- {
- s.a += 1;
- s.b += 2;
- printf("(f1) %d %d \n", s.a, s.b );
- }
- void Fnc2( St *p_s )
- {
- p_s->a += 1;
- p_s->b += 2;
- printf("(f2) %d %d \n", p_s->a, p_s->b );
- }
- int main()
- {
- St s_1;
- s_1.a = 1;
- s_1.b = 2;
- printf("(1) %d %d \n", s_1.a, s_1.b );
- Fnc1( s_1 );
- printf("(2) %d %d \n", s_1.a, s_1.b );
- Fnc2( &s_1 );
- printf("(3) %d %d \n", s_1.a, s_1.b );
- return 0;
- }
- /*
- output:
- (1) 1 2
- (f1) 2 4
- (2) 1 2
- (f2) 2 4
- (3) 2 4
- */
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