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b5f88b593a
A non declared function leads to a seriuos problems. And while gcc don't turn this warning on lets tcc do it. This warning can be turned off by -Wno-implicit-function-declaration option. And autor must explicitly do this if program must be compiled with this warning off.
13 lines
183 B
C
13 lines
183 B
C
#include <stdio.h> // printf()
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#define CAT2(a,b) a##b
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#define CAT(a,b) CAT2(a,b)
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#define AB(x) CAT(x,y)
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int main(void)
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{
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int xy = 42;
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printf("%d\n", CAT(A,B)(x));
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return 0;
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}
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