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How to find the size of strcut in C

1 Answer

0 votes
#include <stdio.h>

struct s
{
    char *p;  // 8 bytes 
    char ch;  // 1 byte  
    long l;   // 8 bytes 
};

struct __attribute__((__packed__)) ps
{
    char *p;  // 8 bytes 
    char ch;  // 1 byte  
    long l;   // 8 bytes 
};

int main(int argc, const char *argv[])
{
    printf("%I64d\n", sizeof(struct s));
    printf("%I64d\n", sizeof(struct ps));
}



   
/*
run:
 
16
16

*/

 




answered Sep 2, 2017 by avibootz
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