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about the keyword "restrict"

 
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# 1  
Old 08-28-2011
about the keyword "restrict"
Code:
#include<stdio.h>
#include<stdlib.h>

void function(int *restrict a, int *restrict  b);

int
main()
{
    int c;
    int *a, *b;
    a = &c;
    b = &c;
    printf("main function\n");
    function(a,b);
    exit(0);
}
void function(int *restrict   a, int *restrict  b)
{
    //a = a;
    //b = b;
    printf("func is called\n");
}

---------- Post updated at 03:55 AM ---------- Previous update was at 03:54 AM ----------

why i can't compile it successful~~~
Last edited by Franklin52; 08-28-2011 at 09:29 AM.. Reason: Please use code tags for data and code samples, thank you
# 2  
Old 08-28-2011
You need this gcc option:
Code:
 -std=c99

This User Gave Thanks to vistastar For This Post:
vincent__tse
 
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